Neck protection mold

Abstract

The utility model discloses a neck protection mould, which belongs to the technical field of mould equipment, and comprises a lower mould base, a lower mould base, an upper mould base and a lower mould base, the lower mould base is provided with a forming groove with an upward opening, the forming groove is in a bent arch shape, the left end and the right end of the forming groove are both higher than the middle of the forming groove, and the bottom surface of the forming groove is provided with a forming block extending upwards; the upper die base can be connected with or separated from the lower die base; the neck guard mold has a mold closing state and a mold splitting state, in the mold closing state, the upper mold base seals the opening of the forming groove and jointly limits the foaming cavity, in the mold splitting state, the upper mold base and the lower mold base are separated from each other, the neck guard can be prepared through the foaming forming technology, and the deformable amplitude of the neck guard is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of mold equipment, in particular to a neck protection mold. Background Art

[0002] The cervical spine is an important pathway for conduction from the human body's higher nerve centers to the trunk, and has the physiological function of complex and multi-directional activities. As one of the important joints of the human body, the cervical spine is in motion almost all the time. The neck protector is mainly used to fix the neck, and can correct the neck posture or maintain the normal physiological curvature of the cervical spine.

[0003] In the related art, neck guards are mostly made of hard materials such as plastic. When users use neck guards, they generally have the defect that they cannot adjust the supporting force of the neck guard according to their own neck length or posture. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a neck guard mold, which is conducive to preparing the neck guard through a foaming molding process and enhancing the deformable range of the neck guard.

[0005] According to the embodiment of the utility model, the neck protection mold includes: a lower mold base, which has a molding groove with an opening facing upward, the molding groove is in a curved arch shape, the height of the left end and the height of the right end of the molding groove are both higher than the height of the middle part, and the bottom surface of the molding groove is provided with a molding block extending upward; an upper mold base, which can be connected to or separated from the lower mold base; wherein, the neck protection mold has a closed mold state and a separated mold state, the closed mold state is that the upper mold base closes the opening of the molding groove and jointly defines a foaming chamber, and the separated mold state is that the upper mold base and the lower mold base are separated from each other.

[0006] The neck guard mold according to the embodiment of the utility model has at least the following beneficial effects: the lower mold base has a molding groove with an opening facing upward, the molding groove is arranged in a curved arch shape, the molding groove is arranged in a shape with the left and right ends being high and the middle part being low. When in use, the worker can drip the foaming liquid into the molding groove, and make the upper mold base connected with the lower mold base, the neck guard mold is switched to the mold closing state, the upper mold base closes the opening of the molding groove, and jointly defines the foaming chamber, so that the foaming liquid is foamed and molded in the foaming chamber, after foaming and molding, the neck guard mold can be switched to the mold separation state, so as to take the molded neck guard out of the molding groove, the molded neck guard is arranged in an arch shape, and when the user wears the neck guard, the neck guard can match or fit with the human neck, and the neck guard is made by the foaming molding process The neck guard has a good deformable range, and the bottom surface of the molding groove is provided with a molding block extending upward, so that the molded neck guard forms an adjustment hole corresponding to the molding block. The user can effectively adjust the deformable range of the neck guard and change the supporting force of the neck guard by blocking the adjusting hole or opening the adjusting hole. The user can block the adjusting hole of the neck guard to reduce the deformable range of the neck guard to increase the supporting force of the neck guard, which is suitable for users with long necks or in a horizontal looking posture. The user can open the adjustment hole of the neck guard to increase the deformable range of the neck guard to reduce the supporting force of the neck guard, which is suitable for users with short necks or in a downward looking posture. That is, the neck guard prepared by using the neck guard mold has a good deformable range, which is conducive to improving the applicability to different users.

[0007] According to some embodiments of the present invention, the forming block is located in the middle of the forming groove.

[0008] Specifically, the molding block is located in the middle of the molding groove, so that the adjustment hole of the neck guard is set corresponding to the Adam's apple of the human body. When the user chooses to open the adjustment hole and wear the neck guard, the adjustment hole is set relative to the Adam's apple of the human body, which is conducive to avoiding the Adam's apple of the human body and reducing the pressure on the Adam's apple of the human body, which is conducive to enhancing the comfort of the user wearing the neck guard prepared by using the neck guard mold.

[0009] According to some embodiments of the present invention, the forming block includes a first forming section and a second forming section arranged vertically, the first forming section is coaxial with the second forming section, and the outer diameter of the first forming section is smaller than the outer diameter of the second forming section.

[0010] Specifically, considering that some neck guards need to have a built-in hard support sheet, the molding block includes a first molding section and a second molding section arranged along the upper and lower parts, the outer diameter of the first molding section is smaller than the outer diameter of the second molding section, so that a step surface is formed at the junction of the first molding section and the second molding section, and the molding block can provide support for the hard support sheet. The upper end of the second molding section is used to abut against the lower end of the hard support sheet, so that a gap is formed between the lower surface of the hard support sheet and the foaming chamber, and a gap is also formed between the upper surface of the hard support sheet and the foaming chamber. The foaming liquid can flow through the gap between the hard support sheet and the foaming chamber, thereby foaming and molding the neck guard. The hard support sheet is built into the molded neck guard. The neck guard prepared by using the neck guard mold enhances the durability of the molded neck guard through the cooperation of soft and hard materials.

[0011] According to some embodiments of the present invention, the cross section of the forming block is circular, oval or square.

[0012] According to the personalized setting, the cross-section of the forming block can be circular, oval or square, so that the adjustment hole of the formed neck guard can be set to be circular, oval or square, etc., to meet the personalized needs of different users.

[0013] According to some embodiments of the present invention, a bottom surface of the molding groove is provided with a plurality of extension columns extending upward.

[0014] Specifically, the bottom surface of the molding groove is provided with a plurality of extension columns extending upward. After the foaming liquid is foamed and formed in the foaming chamber, ventilation holes are formed in the molded neck guard corresponding to the extension columns. When the user wears the neck guard prepared by the neck guard mold, the provision of the ventilation holes is conducive to guiding the heat of the human neck to dissipate outwards, thereby reducing the user's feeling of stuffiness and helping to enhance the comfort of the user wearing the neck guard.

[0015] According to some embodiments of the utility model, two extension columns are provided, and the two extension columns are symmetrically arranged with respect to the forming block. The left extension column gradually tilts toward the right from bottom to top, and the right extension column gradually tilts toward the left from bottom to top.

[0016] Specifically, considering that some neck guards need to have a built-in hard support sheet and the molding groove is arched, in order to make the gap between the hard support sheet and the foaming chamber more uniform, the neck guard mold also includes two extension columns, which are symmetrically arranged about the molding block, and the two extension columns are inclined toward the molding block from bottom to top. The hard support sheet can be positioned by the molding block and the two extension columns, which is conducive to bending the hard support sheet into an arch shape and placing it in the molding groove, so that the shape of the hard support sheet is adapted to the shape of the molding groove, the gap between the upper surface of the hard support sheet and the upper end of the foaming chamber is more uniform, and the gap between the lower surface of the hard support sheet and the lower end of the foaming chamber is more uniform. After the foaming liquid is foamed and formed, the hard support sheet is built into the neck guard, and the setting of the hard support sheet is conducive to improving the durability of the neck guard.

[0017] According to some embodiments of the present invention, the extension column includes a third forming segment and a fourth forming segment arranged vertically, the third forming segment is coaxial with the fourth forming segment, and the outer diameter of the third forming segment is smaller than the outer diameter of the fourth forming segment.

[0018] Specifically, the extension column includes a third molding section and a fourth molding section extending up and down, the outer diameter of the third molding section is smaller than the outer diameter of the fourth molding section, so that a step surface is formed at the junction of the third molding section and the fourth molding section, and the extension column can provide support for the hard support sheet, and the upper end of the third molding section is used to abut against the lower end of the hard support sheet, so that a gap is formed between the lower surface of the hard support sheet and the foaming chamber, and a gap is also formed between the upper surface of the hard support sheet and the foaming chamber, so that the shape of the hard support sheet is compatible with the shape of the molding groove, and the foaming liquid can flow through the gap between the hard support sheet and the foaming chamber, thereby being foamed into a neck guard, and the hard support sheet is built into the molded neck guard, and the neck guard prepared by using the neck guard mold can improve the durability of the prepared neck guard through the coordination of soft and hard materials.

[0019] According to some embodiments of the present invention, a first curved portion that bends downward is provided at the front end of the forming groove.

[0020] A first curved portion bent downward is provided at the front end of the molding groove. Under the foaming molding action of the foaming liquid, the foaming liquid fills the foaming chamber and is formed. A mandibular support portion is formed at the molded neck guard corresponding to the first curved portion. The mandibular support portion is used to abut against the mandibular of the human body to achieve support and fixation of the neck or head of the human body, which is beneficial to increase the contact area between the neck guard and the mandibular of the human body and reduce the pressure on the mandibular of the human body.

[0021] According to some embodiments of the present invention, a second curved portion that bends downward is provided at the rear end of the forming groove.

[0022] A second curved portion bent downward is provided at the rear end of the forming groove. Under the foaming molding action of the foaming liquid, the foaming liquid fills the foaming chamber and is formed. The formed neck guard forms a shoulder and neck support portion corresponding to the second curved portion. The shoulder and neck support portion is used to abut against the bottom end of the human neck or the shoulder to achieve support and fixation of the human neck or head, which is beneficial to increase the contact area between the neck guard and the human shoulder or neck and reduce the pressure on the human shoulder or neck.

[0023] According to some embodiments of the utility model, the lower mold base is provided with a first positioning surface at the upper edge of the molding groove, and the first positioning surface is inclined upward from the inside to the outside. The upper mold base is provided with a second positioning surface at the lower surface, and the second positioning surface is inclined downward from the outside to the inside; in the mold closing state, the first positioning surface is in contact with the second positioning surface.

[0024] Specifically, the lower mold base is provided with a first positioning surface at the upper edge of the molding groove, and the first positioning surface is inclined upward from the inside to the outside, and the second positioning surface is provided at the lower surface of the upper mold base, and the second positioning surface is inclined downward from the outside to the inside. In the mold closing state, the first positioning surface is fitted with the second positioning surface to close the upper end opening of the molding groove. The fitting of the first positioning surface and the second positioning surface is helpful to reduce or avoid the problem of foaming liquid overflowing from the foaming chamber. The fitting of the first positioning surface and the second positioning surface is helpful to assist in realizing the positioning and connection of the upper mold base and the lower mold base.

[0025] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0027] Figure 1 This is a schematic structural diagram of a neck protection mold in an embodiment of the utility model in a mold closing state;

[0028] Figure 2 A top view of a neck protection mold according to an embodiment of the utility model;

[0029] Figure 3 for Figure 2 AA cross-sectional view of the neck guard mold shown in;

[0030] Figure 4 for Figure 2 BB cross-sectional view of the neck guard mold shown in;

[0031] Figure 5 This is a structural schematic diagram of a lower die base of a neck protection die according to an embodiment of the utility model;

[0032] Figure 6It is a structural schematic diagram of another perspective of the lower die base of the neck protection die of one embodiment of the utility model;

[0033] Figure 7 The utility model is a schematic structural diagram of an upper mold base of a neck protection mold according to an embodiment of the utility model.

[0034] Figure Number:

[0035] 100, lower die seat; 110, forming groove; 111, first curved portion; 112, second curved portion; 120, forming block; 121, first forming section; 122, second forming section; 130, extension column; 131, third forming section; 132, fourth forming section; 140, first positioning surface;

[0036] 200. Upper die seat; 210. Second positioning surface. DETAILED DESCRIPTION

[0037] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0038] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0040] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0041] Reference Figures 1 to 7 As shown, a neck protection mold according to an embodiment of the present invention comprises an upper mold base 200 and a lower mold base 100 .

[0042] Reference Figure 1 , Figure 6 and Figure 7As shown, the upper die base 200 is a convex die, that is, the lower end of the upper die base 200 has a convex portion protruding downward, and the lower die base 100 is a concave die, that is, the upper end of the lower die base 100 has a concave portion recessed downward, so that the upper die base 200 is adapted to the lower die base 100.

[0043] Reference Figure 5 and Figure 6 As shown, specifically, the lower die base 100 has a molding groove 110 with an opening facing upward, and the molding groove 110 is arranged in a curved arch shape. Specifically, the two ends of the molding groove 110 are arranged to extend left and right, and the height of the left end and the height of the right end of the molding groove 110 are both higher than the height of the middle part. The upper die base 200 and the lower die base 100 can be connected to an external molding device, and under the driving action of the molding device, the upper die base 200 can be closer to or farther from the lower die base 100.

[0044] Reference Figure 2 , Figure 3 and Figure 4 As shown, the neck guard mold has a mold closing state and a mold separation state. In the mold closing state, the lower surface of the upper mold base 200 is connected to the upper surface of the lower mold base 100, and the upper mold base 200 closes the opening of the molding groove 110 and jointly defines a foaming chamber. The foaming chamber can limit the foaming boundary of the foaming liquid. In the mold separation state, the upper mold base 200 is separated from the lower mold base 100, and the opening of the molding groove 110 is open upward.

[0045] Reference Figure 2 , Figure 3 and Figure 4 As shown, when in use, the worker can drip the foaming liquid into the molding groove 110, and make the upper mold base 200 connect with the lower mold base 100, the neck guard mold is switched to the mold closing state, the upper mold base 200 closes the opening of the molding groove 110, and jointly defines the foaming chamber, so that the foaming liquid is foamed and molded in the foaming chamber, after foaming and molding, the neck guard mold can be switched to the mold separation state, so as to take the molded neck guard out of the molding groove 110, the molded neck guard is set in an arch shape, when the user wears the neck guard, the neck guard can match or fit with the human neck, the neck guard is prepared by the foaming molding process, and has a good deformability.

[0046] Reference Figure 5 and Figure 6As shown, the bottom surface of the molding groove 110 is provided with a molding block 120 extending upward, so that the molded neck guard forms an adjustment hole corresponding to the molding block 120. The user can effectively adjust the deformable range of the neck guard and change the supporting force of the neck guard by blocking the adjustment hole or opening the adjustment hole. The user can block the adjustment hole of the neck guard to reduce the deformable range of the neck guard to increase the supporting force of the neck guard, which is suitable for users with long necks or in a head-on posture. The user can open the adjustment hole of the neck guard to increase the deformable range of the neck guard to reduce the supporting force of the neck guard, which is suitable for users with short necks or in a downward-looking posture. That is, the neck guard prepared by using the neck guard mold has a good deformable range, which is conducive to improving the applicability to different users.

[0047] Reference Figure 5 and Figure 6 As shown, specifically, the molding block 120 is located in the middle of the molding groove 110, that is, the molding block 120 is arranged in the middle of the molding groove 110 along the left-right direction, and the molding block 120 is provided with the middle of the molding groove 110 along the front-back direction, so that the adjustment hole of the neck guard molding corresponds to the Adam's apple of the human body. When the user chooses to open the adjustment hole and wear the neck guard, the adjustment hole is arranged relative to the Adam's apple of the human body, which is conducive to avoiding the Adam's apple of the human body and reducing the pressure on the Adam's apple of the human body, which is conducive to improving the comfort of the user wearing the neck guard prepared by the neck guard mold.

[0048] Reference Figure 5 and Figure 6 As shown, it can be understood that, considering the shape of the human neck, the width of the left end of the molding groove 110 along the front-to-back direction is smaller than the width of the middle part along the front-to-back direction, and the width of the right end of the molding groove 110 along the front-to-back direction is smaller than the width of the middle part along the front-to-back direction, that is, the molded neck guard is set in a shape that is wide in the middle and narrow at both ends. The middle part of the neck guard is used to abut against the human body's lower jaw and the bottom of the neck or the shoulder, while the two ends of the neck guard are narrower, which is beneficial to reduce the sense of restraint on the human body.

[0049] Reference Figure 5 and Figure 6 As shown, it can be understood that, specifically, considering that some neck guards require built-in hard support plates, the forming block 120 includes a first forming section 121 and a second forming section 122 arranged along the upper and lower sides, the first forming section 121 is coaxial with the second forming section 122, and the outer diameter of the first forming section 121 is smaller than the outer diameter of the second forming section 122.

[0050] Reference Figure 5 and Figure 6As shown, the outer diameter of the first molding section 121 is smaller than the outer diameter of the second molding section 122, so that a step surface is formed at the junction of the first molding section 121 and the second molding section 122, and the molding block 120 can provide support for the hard support sheet. The upper end of the second molding section 122 is used to abut against the lower end of the hard support sheet, so that a gap is formed between the lower surface of the hard support sheet and the foaming chamber, and a gap is also formed between the upper surface of the hard support sheet and the foaming chamber. The foaming liquid can flow through the gap between the hard support sheet and the foaming chamber, thereby foaming and molding into a neck guard. The hard support sheet is built into the molded neck guard. The neck guard prepared by using the neck guard mold can improve the durability of the prepared neck guard through the cooperation of soft and hard materials.

[0051] Reference Figure 5 and Figure 6 As shown, specifically, the first molding section 121 and the second molding section 122 are both elliptical cylinders, and the length direction of the cross section of the first molding section 121 or the second molding section 122 is arranged along the left-right direction, and the width direction of the cross section of the first molding section 121 or the second molding section 122 is arranged along the front-back direction, so that the adjustment hole of the neck guard can be positioned with the Adam's apple of the human body, which is beneficial to reduce the pressure of the neck guard on the Adam's apple of the human body, thereby enhancing the wearing comfort of the user.

[0052] It should be understood that in other embodiments, the first molding section 121 and the second molding section 122 are both cylinders, square columns, etc., that is, the cross-section of the molding block 120 is circular or square, so that the adjustment hole of the molded neck guard is circular or square, etc., to meet the personalized needs of different users.

[0053] Reference Figure 5 and Figure 6 As shown, it can be understood that in this embodiment, a plurality of extension columns 130 extending upward are provided on the bottom surface of the molding groove 110. After the foaming liquid is foamed in the foaming chamber, the molded neck guard forms air holes corresponding to the extension columns 130. When the user wears the neck guard prepared by the neck guard mold, the provision of the air holes is conducive to guiding the heat of the human neck to dissipate outward, thereby reducing the user's stuffiness and heat, and is conducive to enhancing the comfort of the user wearing the neck guard.

[0054] Reference Figure 2 , Figure 3 and Figure 4 As shown, it is understandable that, considering that some neck guards need to have a built-in hard support sheet, and the molding groove 110 is arched, in order to make the gap between the hard support sheet and the foaming chamber more uniform, two extension columns 130 are provided, and the two extension columns 130 are symmetrically arranged with respect to the molding block 120, and the two extension columns 130 are inclined from bottom to top toward the molding block 120, that is, the left extension column 130 is gradually inclined to the right from bottom to top, and the right extension column 130 is gradually inclined to the left from bottom to top.

[0055] Reference Figure 5 and Figure 6 As shown, the hard support sheet can be positioned by the forming block 120 and the two extension columns 130, which is conducive to bending the hard support sheet into an arch shape and placing it in the forming groove 110, so that the shape of the hard support sheet is adapted to the shape of the forming groove 110, and the gap between the upper surface of the hard support sheet and the upper end of the foaming chamber is more uniform, and the gap between the lower surface of the hard support sheet and the lower end of the foaming chamber is more uniform. After the foaming liquid is foamed and formed, the hard support sheet is arranged in the neck guard, and the arrangement of the hard support sheet is conducive to improving the durability of the neck guard.

[0056] Reference Figure 5 and Figure 6 As shown, considering that after the hard support sheet is bent from a flat sheet into an arch, the extension direction of the holes on the hard support sheet is inclined, and the extension directions of multiple holes are arranged at an angle, the extension column 130 of the neck guard mold is inclined, and the extension directions of the two extension columns 130 are arranged at an angle, which is beneficial to enhance the positioning effect of the extension column 130 and the holes on the hard support sheet, so that the shape of the hard support sheet after bending is compatible with the shape of the molding groove 110, the gap between the upper surface of the hard support sheet and the upper end of the foaming chamber is more uniform, and the gap between the lower surface of the hard support sheet and the lower end of the foaming chamber is more uniform.

[0057] It should be understood that in some other embodiments, three or more extension columns 130 are provided at the bottom surface of the molding groove 110, and the multiple extension columns 130 are arranged around the molding block 120, so that the neck guard is formed with three or more ventilation holes. The provision of multiple ventilation holes is helpful to enhance the breathability of the molded neck guard. After the user wears the molded neck guard, the provision of the ventilation holes can guide the heat from the human neck to dissipate outwards, which is helpful to reduce the stuffiness generated by the user.

[0058] Reference Figure 5 and Figure 6As shown, it can be understood that in this embodiment, the extension column 130 includes a third molding segment 131 and a fourth molding segment 132 arranged in an upper and lower direction, the third molding segment 131 is coaxial with the fourth molding segment 132, and the outer diameter of the third molding segment 131 is smaller than the outer diameter of the fourth molding segment 132, so that a step surface is formed at the junction of the third molding segment 131 and the fourth molding segment 132, and the extension column 130 can provide support for the hard support sheet, and the upper end of the third molding segment 131 is used to abut against the lower end of the hard support sheet. The hard support sheet is connected so that a gap is formed between the lower surface of the hard support sheet and the foaming chamber, and a gap is also formed between the upper surface of the hard support sheet and the foaming chamber, so that the hard support sheet is bent into an arch shape, and the shape of the hard support sheet after bending is compatible with the shape of the molding groove 110, and the foaming liquid can flow through the gap between the hard support sheet and the foaming chamber, thereby foaming and molding the neck guard, and the hard support sheet is built into the molded neck guard. The neck guard prepared by using the neck guard mold can improve the durability of the prepared neck guard through the coordination of soft and hard materials.

[0059] Reference Figure 5 and Figure 6 As shown, specifically, the third molding section 131 and the fourth molding section 132 are both cylinders, so that the ventilation holes of the neck guard are circular holes. The setting of the ventilation holes can guide the heat of the human neck to dissipate outwards, which is helpful to reduce the stuffiness of the user.

[0060] It should be understood that in other embodiments, the third molded section 131 and the fourth molded section 132 are both elliptical columns or square columns, and the ventilation holes of the neck guard are elliptical or square. The setting of the ventilation holes can guide the heat from the human neck to dissipate outwards, which is helpful to reduce the stuffiness generated by the user and meet the user's personalized usage needs.

[0061] Reference Figure 2 , Figure 3 and Figure 4 As shown, it can be understood that in this embodiment, a first curved portion 111 that bends downward is provided at the front end of the molding groove 110. Under the foaming molding action of the foaming liquid, the foaming liquid fills the foaming chamber and is formed. The molded neck guard forms a mandibular support portion corresponding to the first curved portion 111. The mandibular support portion is used to abut against the human mandible to achieve support and fixation of the human neck or head, which is beneficial to increase the contact area between the neck guard and the human mandible and reduce the pressure on the human mandible.

[0062] Reference Figure 2 , Figure 3 and Figure 4As shown, it can be understood that a second curved portion 112 is bent downward at the rear end of the molding groove 110. Under the foaming molding action of the foaming liquid, the foaming liquid fills the foaming chamber and is formed. The molded neck guard forms a shoulder and neck support portion corresponding to the second curved portion 112. The shoulder and neck support portion is used to abut against the bottom end of the human neck or the shoulder to achieve support and fixation of the human neck or head, which is beneficial to increase the contact area between the neck guard and the human shoulder or neck and reduce the pressure on the human shoulder or neck.

[0063] Reference Figure 5 , Figure 6 and Figure 7 As shown, it can be understood that the lower mold base 100 is provided with a first positioning surface 140 at the upper edge of the molding groove 110, and the first positioning surface 140 is inclined upward from the inside to the outside, and the upper mold base 200 is provided with a second positioning surface 210 at the lower surface, and the second positioning surface 210 is inclined downward from the outside to the inside; in the mold closing state, the first positioning surface 140 is in contact with the second positioning surface 210.

[0064] Specifically, the first positioning surface 140 is arranged around the upper end opening of the molding groove 110, and the second positioning surface 210 is arranged around the convex portion of the upper mold base 200. In the mold closing state, the first positioning surface 140 and the second positioning surface 210 are fitted together to close the upper end opening of the molding groove 110. The fitting of the first positioning surface 140 and the second positioning surface 210 is conducive to reducing or avoiding the problem of the foaming liquid overflowing the foaming chamber. The fitting of the first positioning surface 140 and the second positioning surface 210 is conducive to assisting the positioning and connection of the upper mold base 200 and the lower mold base 100.

[0065] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A neck protection mold, characterized in that: include: The lower mold base (100) has a molding groove (110) with an opening facing upward, the molding groove (110) is in a curved arch shape, the height of the left end and the height of the right end of the molding groove (110) are both higher than the height of the middle part, and the bottom surface of the molding groove (110) is provided with a molding block (120) extending upward; An upper die base (200) capable of being connected to or separated from the lower die base (100); The neck guard mold has a mold closing state and a mold opening state. The mold closing state is that the upper mold base (200) closes the opening of the molding groove (110) and jointly defines a foaming chamber. The mold opening state is that the upper mold base (200) and the lower mold base (100) are separated from each other.

2. The neck protection mold according to claim 1, characterized in that: The forming block (120) is located in the middle of the forming groove (110).

3. The neck protection mold according to claim 1, characterized in that: The forming block (120) comprises a first forming section (121) and a second forming section (122) arranged vertically, the first forming section (121) and the second forming section (122) being coaxial, and the outer diameter of the first forming section (121) being smaller than the outer diameter of the second forming section (122).

4. The neck protection mold according to claim 1, characterized in that: The cross section of the forming block (120) is circular, oval or square.

5. The neck protection mold according to claim 3, characterized in that: The bottom surface of the molding groove (110) is provided with a plurality of extension columns (130) extending upward.

6. The neck protection mold according to claim 5, characterized in that: Two extension columns (130) are provided, and the two extension columns (130) are symmetrically arranged with respect to the forming block (120). The left extension column (130) gradually tilts toward the right from bottom to top, and the right extension column (130) gradually tilts toward the left from bottom to top.

7. The neck protection mold according to claim 5, characterized in that: The extension column (130) comprises a third molding section (131) and a fourth molding section (132) arranged vertically, the third molding section (131) being coaxial with the fourth molding section (132), and the outer diameter of the third molding section (131) being smaller than the outer diameter of the fourth molding section (132).

8. The neck protection mold according to claim 1, characterized in that: A first curved portion (111) that bends downward is provided at the front end of the molding groove (110).

9. The neck protection mold according to claim 1, characterized in that: A second curved portion (112) that bends downward is provided at the rear end of the molding groove (110).

10. The neck protection mold according to claim 1, characterized in that: The lower die seat (100) is provided with a first positioning surface (140) at the upper edge of the molding groove (110), and the first positioning surface (140) is inclined upward from the inside to the outside; the upper die seat (200) is provided with a second positioning surface (210) at the lower surface, and the second positioning surface (210) is inclined downward from the outside to the inside; in the mold closing state, the first positioning surface (140) is in contact with the second positioning surface (210).

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