Reusable retaining type emulsion pump head thread cover

Abstract

The utility model relates to the related technical field of threaded covers for pump bodies, in particular to a reusable retaining type emulsion pump head threaded cover which is installed on a bottle body, a threaded connecting port is formed in the bottle body, a plurality of one-way threads are arranged at one end, close to the bottle body, of the threaded connecting port, and the one-way threads are arranged on the bottle body. The inner thread cover can be in threaded connection with the threaded connector; the rotation stopping outer sleeve is arranged on the outer side of the inner tooth cover in a sleeving mode, rotation stopping threads connected with the one-way threads in a one-way rotating and clamping mode are formed on the inner side of the rotation stopping outer sleeve, and the limiting direction of the one-way threads to the rotation stopping threads is the same as the rotation direction of the inner tooth cover screwing away from the threaded connecting opening; the rotation stopping outer sleeve is fixed to the inner tooth cover through a locking piece, and when the locking piece triggers unlocking, the rotation stopping outer sleeve can axially move relative to the inner tooth cover, so that the rotation stopping threads and the one-way threads are separated from the rotation stopping state. The problem that articles of the bottle body are stolen is solved, the bottle body and the threaded cover can be repeatedly used, and the use cost is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screw thread cover for pump body, and concretely relates to a reusable retreat-stop type emulsion pump head screw thread cover. BACKGROUND

[0002] With the vigorous development of tourism and the increasing demand of consumers for accommodation hygiene, large-capacity (300 mL or more) emulsion, shampoo and shower gel pump head bottles are widely used in public places such as hotels, homestays, long-term rental apartments, gyms and large transportation hubs to replace traditional disposable small packages. On the one hand, centralized filling can significantly reduce the amount of plastic garbage; on the other hand, once the large-capacity bottle is maliciously twisted open and poured or mixed with foreign matter, it is easy to cause economic loss.

[0003] Some emulsion pumps in hotels need to be designed to prevent malicious opening, that is, after the bottle is filled with liquid and the pump head is screwed on, the pump head cannot be twisted open, but the current anti-rotation design is generally a disposable structure, and in actual use, the entire pump head and bottle opening set need to be scrapped every time the emulsion is replaced, and the cost is still relatively high. SUMMARY

[0004] The utility model aims at providing a reusable retreat-stop type emulsion pump head screw thread cover to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a reusable retreat-stop type emulsion pump head screw thread cover is installed on a bottle body, a threaded connection port is formed on the bottle body, and a plurality of one-way screw threads are arranged on the end of the threaded connection port close to the bottle body, comprising: an inner thread cover capable of being threadedly connected with the threaded connection port; a rotation-stopping outer sleeve is sleeved on the outer side of the inner thread cover, a rotation-stopping screw thread is formed on the inner side of the rotation-stopping outer sleeve and is in one-way rotation clamping connection with the one-way screw thread, and the restriction direction of the one-way screw thread to the rotation-stopping screw thread is the same as the rotation direction of the inner thread cover rotating away from the threaded connection port; the rotation-stopping outer sleeve is fixed with the inner thread cover through a locking member, and when the locking member is triggered to be unlocked, the rotation-stopping outer sleeve can move axially relative to the inner thread cover, so that the rotation-stopping screw thread is separated from the one-way screw thread in the rotation-stopping state.

[0006] The reusable retreat-stop type emulsion pump head screw thread cover as described above: the locking member comprises at least one clamping block formed on the inner thread cover, and the clamping block is in clamping connection with the clamping groove formed on the inner side of the rotation-stopping outer sleeve.

[0007] The reusable retreat-stop type emulsion pump head screw thread cover as described above: at least one axial sliding block is formed on the outer wall of the inner thread cover, and an axial sliding groove is formed on the inner wall of the rotation-stopping outer sleeve and is in sliding connection with the axial sliding block.

[0008] The reusable anti-backout lotion pump head thread cover as described above further comprises an unlocking member for triggering the unlocking of the locking member, wherein the unlocking member comprises an unlocking rod, and an unlocking head is formed on the unlocking rod, the unlocking head can penetrate through the unlocking through slot on the rotation-stopping sleeve to press the clamping block, and drive the clamping block to be separated from the clamping slot.

[0009] The reusable anti-backout lotion pump head thread cover as described above, wherein the unlocking through slot is located at the circumferential side end of the clamping slot, a second pressing slope is formed on the side of the clamping block facing the unlocking through slot, and a first pressing slope is formed on the unlocking head opposite to the second pressing slope.

[0010] The reusable anti-backout lotion pump head thread cover as described above, wherein the outer side of the inner thread cover is further formed with a radial limiting sliding block, the radial limiting sliding block is slidingly installed in the radial limiting slot formed on the inner wall of the rotation-stopping sleeve, and the axial width of the radial limiting slot is greater than the circumferential width of the radial limiting sliding block relative to the inner thread cover.

[0011] Compared with the prior art, the reusable anti-backout lotion pump head thread cover has the following beneficial effects: when the inner thread cover is rotated into position, the rotation-stopping thread and the one-way thread are in a one-way locking state, so that the inner thread cover cannot be rotated relative to the thread connection port when the rotation-stopping sleeve is rotated, and thus the bottle body cannot be opened, thereby achieving an effective anti-theft effect; when it is necessary to open the bottle body, the locking member is unlocked through a specific unlocking operation, so that the rotation-stopping sleeve can axially move relative to the inner thread cover, at this time, the rotation-stopping thread and the one-way thread are separated from the rotation-stopping state, and then the inner thread cover can be easily rotated and rotated off from the thread connection port, thereby realizing the opening of the bottle body, and the bottle body and the thread cover can be repeatedly used, thereby effectively reducing the use cost. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a connection state schematic view of the thread connection port of the reusable anti-backout lotion pump head thread cover.

[0013] Figure 2 It is a connection state schematic view of the thread connection port of the reusable anti-backout lotion pump head thread cover from another angle.

[0014] Figure 3 It is a separation state schematic view of the thread connection port of the reusable anti-backout lotion pump head thread cover.

[0015] Figure 4 It is a separation state schematic view of the thread connection port of the reusable anti-backout lotion pump head thread cover from another angle.

[0016] Figure 5 It is a state schematic view of the reusable anti-backout lotion pump head thread cover when the unlocking member is unlocked.

[0017] Figure 6 Fig. 2 is a schematic view of another angle of the state of the reusable anti-rotation lotion pump head thread cover being unlocked by the unlocking member;

[0018] Figure 7 Fig. 3 is a schematic view of the structure of the unlocking member and the inner thread cover in the reusable anti-rotation lotion pump head thread cover.

[0019] In the figure: 1 - bottle body, 101 - threaded connection port, 102 - one-way thread; 2 - rotation-stopping sleeve, 201 - unlocking slot, 202 - axial sliding slot, 203 - radial limiting slot, 204 - clamping slot, 205 - rotation-stopping thread; 3 - unlocking member, 301 - unlocking head, 3011 - first extrusion inclined surface, 302 - unlocking rod; 4 - inner thread cover, 401 - axial sliding block, 402 - radial limiting sliding block, 403 - internal thread, 404 - clamping block, 4041 - second extrusion inclined surface. DETAILED DESCRIPTION

[0020] Various exemplary embodiments, features, and aspects of the present application will be described herein below with reference to the accompanying drawings. The same reference numbers in different drawings represent the same or similar elements. Although various aspects of the embodiments are illustrated in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0021] The term "exemplary" is used herein in the sense of being an example, instance, or illustration. Any implementation described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other implementations.

[0022] In addition, a number of specific details are given in the following detailed description. The person skilled in the art will understand that the application can also be implemented without certain specific details. In some instances, methods, means, elements, etc. that are well known to the skilled person are not described in detail in order to highlight the subject matter of the application.

[0023] Reference is made to Figures 1-7The utility model discloses an embodiment of a reusable retreat type emulsion pump head screw thread cover, install on the bottle body 1, form the threaded connection mouth 101 on the bottle body 1, and the threaded connection mouth 101's one end close to the bottle body 1 is provided with a plurality of one -way screw thread 102, including the inner tooth cover 4 that can with threaded connection mouth 101 screw thread connection, the inside of inner tooth cover 4 forms the internal thread 403 that cooperates with threaded connection mouth 101 screw thread, the rotation of the one -way screw thread 102 to the stop screw thread 205 of the inside of the stop rotation sleeve 2 formation is unidirectional rotation and is connected, and the restriction direction of one -way screw thread 102 to stop screw thread 205 is identical with the rotation direction of inner tooth cover 4 and rotates from threaded connection mouth 101, the stop rotation sleeve 2 is fixed with inner tooth cover 4 through locking piece, when the locking piece triggers and unlocks, the stop rotation sleeve 2 can be axially moved relative to inner tooth cover 4 to make stop screw thread 205 and one -way screw thread 102 separate from the stop rotation state.

[0024] In the embodiment, the stop rotation sleeve 2 is connected with the inner tooth cover 4 through the locking piece, forming a whole, then the inner tooth cover 4 is screwed with the threaded connection mouth 101 of the bottle body 1, when the inner tooth cover 4 rotates in place, the stop screw thread 205 and the one -way screw thread 102 are in the one -way locking state, so that the inner tooth cover 4 cannot be rotated relative to the threaded connection mouth 101 when the stop rotation sleeve 2 is rotated, so that the bottle body 1 cannot be opened, and the effective anti -theft effect is achieved, when the bottle body 1 needs to be opened, only need to trigger the locking piece to unlock through the specific unlocking operation, so that the stop rotation sleeve 2 can be axially moved relative to the inner tooth cover 4, at this time, the stop screw thread 205 and the one -way screw thread 102 are separated from the stop rotation state, then the inner tooth cover 4 can be easily rotated and rotated from the threaded connection mouth 101, and the bottle body 1 is opened; Not only prevent the problem that the bottle body 1 is stolen, but also can realize the reuse of the bottle body 1, effectively reduce the use cost.

[0025] Further, the locking piece includes at least one clamping block 404 formed on the inner tooth cover 4, and the clamping block 404 is clamped and matched with the clamping groove 204 formed on the inside of the stop rotation sleeve 2, so as to fix the stop rotation sleeve 2 and the inner tooth cover 4.

[0026] Further, at least one axial sliding block 401 is formed on the outer wall of the inner tooth cover 4, and an axial sliding groove 202 is formed on the inner wall of the stop rotation sleeve 2 and slidably matched with the axial sliding block 401, so that the stop rotation sleeve 2 can be axially moved relative to the inner tooth cover 4, and the inner tooth cover 4 can be rotated when the stop rotation sleeve 2 is driven to rotate by an external force.

[0027] Please refer to Figures 5-7The reusable anti-backout emulsion pump head thread cover further comprises an unlocking member 3 for triggering unlocking of the locking member, wherein the unlocking member 3 comprises an unlocking rod 302, and an unlocking head 301 is formed on the unlocking rod 302, the unlocking head 301 can penetrate the unlocking through slot 201 on the rotation-stopping sleeve 2 to extrude the clamping block 404, and drive the clamping block 404 to be separated from the clamping groove 204.

[0028] For example, in an embodiment, the unlocking through slot 201 is located at a circumferential side end of the clamping groove 204, and a second extrusion inclined surface 4041 is formed on one side of the clamping block 404 facing the unlocking through slot 201, and a first extrusion inclined surface 3011 is formed on the unlocking head 301 opposite to the second extrusion inclined surface 4041.

[0029] When the unlocking head 301 penetrates the unlocking through slot 201, the unlocking rod 302 can be rotated so that the first extrusion inclined surface 3011 on the unlocking head 301 abuts against the second extrusion inclined surface 4041 on the clamping block 404, and then the unlocking rod 302 is rotated again in the same direction to extrude the clamping block 404, so that the clamping block 404 is deformed to a certain extent and is driven to be separated from the clamping groove 204. At this time, the rotation-stopping sleeve 2 can be manually pushed to move away from the bottle body 1, and then the rotation-stopping sleeve 2 is rotated to drive the inner thread cover 4 to rotate, so that the bottle body 1 is opened.

[0030] In order to facilitate the rotation operation of the unlocking rod 302, the unlocking rod 302 is arranged in a U-shaped structure, and the unlocking head 301 is symmetrically arranged at both ends of the inner side of the unlocking rod 302. Similarly, the clamping block 404, the clamping groove 204 and the unlocking through slot 201 are all symmetrically arranged with two, and the unlocking rod 302 can be clamped into the rotation-stopping sleeve 2 along the radial direction, so that the two unlocking heads 301 are simultaneously clamped into the two unlocking through slots 201, thereby improving the operation convenience of unlocking.

[0031] Further, the outer side of the inner thread cover 4 is further formed with a radial limiting sliding block 402, which is slidingly installed in a radial limiting groove 203 formed on the inner wall of the rotation-stopping sleeve 2. The axial width of the radial limiting groove 203 along the rotation-stopping sleeve 2 is greater than the circumferential width of the radial limiting sliding block 402 relative to the inner thread cover 4, so that the rotation-stopping sleeve 2 can move axially relative to the inner thread cover 4, but the movement distance is limited, so as to ensure that the rotation-stopping sleeve 2 cannot easily separate from the inner thread cover 4.

[0032] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0033] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A reusable anti-reverse type emulsion pump head threaded cap, installed on a bottle body (1), wherein a threaded connection port (101) is formed on the bottle body (1), and a plurality of one-way threads (102) are provided at one end of the threaded connection port (101) near the bottle body (1), characterized in that, include: An inner threaded cap (4) is threadedly connected to the threaded connection port (101); an anti-rotation sleeve (2) is sleeved on the outside of the inner threaded cap (4), and an anti-rotation thread (205) is formed on the inner side of the anti-rotation sleeve (2) to engage with the one-way thread (102) in one direction. The direction in which the one-way thread (102) restricts the anti-rotation thread (205) is the same as the rotation direction in which the inner threaded cap (4) rotates away from the threaded connection port (101); the anti-rotation sleeve (2) is fixed to the inner threaded cap (4) by a locking member. When the locking member is triggered to unlock, the anti-rotation sleeve (2) can move axially relative to the inner threaded cap (4) so ​​that the anti-rotation thread (205) and the one-way thread (102) are disengaged from the anti-rotation state.

2. The reusable anti-reverse type emulsion pump head thread cap according to claim 1, characterized in that, The locking element includes at least one locking block (404) formed on the inner tooth cover (4), which engages with a groove (204) formed on the inner side of the anti-rotation sleeve (2).

3. The reusable anti-reverse type emulsion pump head thread cap according to claim 1, characterized in that, At least one axial slider (401) is formed on the outer wall of the inner tooth cover (4), and an axial groove (202) is formed on the inner wall of the anti-rotation sleeve (2) to slide in cooperation with the axial slider (401).

4. A reusable anti-reverse type emulsion pump head thread cap according to claim 2, characterized in that, It also includes an unlocking member (3) for triggering the unlocking of the locking member. The unlocking member (3) includes an unlocking rod (302) with an unlocking head (301) formed on the unlocking rod (302). The unlocking head (301) can penetrate the unlocking slot (201) on the anti-rotation sleeve (2) to squeeze the locking block (404) and drive the locking block (404) to disengage from the slot (204).

5. A reusable anti-reverse type emulsion pump head thread cap according to claim 4, characterized in that, The unlocking slot (201) is located at the circumferential side end of the slot (204). The block (404) has a second pressing slope (4041) on the side facing the unlocking slot (201). The unlocking head (301) has a first pressing slope (3011) opposite to the second pressing slope (4041).

6. A reusable anti-reverse type emulsion pump head thread cap according to claim 1, characterized in that, A radial limiting slider (402) is also formed on the outer side of the inner tooth cover (4). The radial limiting slider (402) is slidably installed in the radial limiting groove (203) formed on the inner wall of the anti-rotation sleeve (2). The axial width of the radial limiting groove (203) along the anti-rotation sleeve (2) is greater than the circumferential width of the radial limiting slider (402) relative to the inner tooth cover (4).

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