A bottle cap and pump head that prevents opening

Abstract

This application provides an anti-opening bottle cap and pump head; the bottle cap includes an inner cap body, an outer cap body, and a key; the inner cap body is disposed inside the outer cap body; the outer cap body is provided with a keyhole, and the inner cap body is provided with a key slot, the key is inserted into the keyhole and the key slot; when the outer cap body is rotated in a first direction, the outer cap body drives the inner cap body to rotate in the first direction through the key; the key is required to unscrew the bottle cap, which prevents unauthorized persons from unscrewing the bottle cap and improves the security effect.

Description

Technical Field

[0001] This application relates to the field of packaging, and more particularly to an anti-opening bottle cap and pump head. Background Technology

[0002] Current bottle caps typically allow any user to open and tighten them without any restrictions. However, in some scenarios, such as when it's necessary to prevent children from opening the cap to allow a large amount of liquid to flow out, this type of cap is ineffective in preventing unauthorized users from opening it. Utility Model Content

[0003] The following is an overview of the topics described in detail in this article.

[0004] The purpose of this application is to at least partially solve one of the technical problems existing in the related art. The embodiments of this application provide an anti-opening bottle cap and pump head.

[0005] According to a first aspect of this application, an anti-opening bottle cap includes: an inner cap, an outer cap, and a key; the inner cap is disposed inside the outer cap; the outer cap has a keyhole, the inner cap has a key slot, and the key passes through the keyhole and is inserted into the key slot; when the outer cap rotates in a first direction, the outer cap, through the key, drives the inner cap to rotate in the first direction. According to certain embodiments of the first aspect of this application, the inner cover is provided with a first fastener, and the outer cover is provided with a second fastener that can cooperate with the first fastener.

[0006] According to certain embodiments of the first aspect of this application, when the outer cover rotates in a second direction, the first latching member and the second latching member cooperate, and the outer cover drives the inner cover to rotate in the second direction; the second direction is opposite to the first direction.

[0007] According to certain embodiments of the first aspect of this application, when the outer cover rotates in a first direction, the first latch and the second latch do not engage, and the inner cover does not rotate.

[0008] According to certain embodiments of the first aspect of this application, the first fastener has a vertical surface on one side and a guide slope on the other side; the second fastener is an arc-shaped component whose height gradually decreases from one end to the other; when the outer cover rotates in the second direction, one end of the second fastener abuts against the vertical surface; when the outer cover rotates in the first direction, the other end of the second fastener slides along the guide slope, causing the second fastener to slide past the first fastener.

[0009] According to certain embodiments of the first aspect of this application, the inner wall of the outer cover is provided with an annular groove in the circumferential direction, and the outer wall of the inner cover is provided with an annular protrusion in the circumferential direction, the annular protrusion being embedded in the annular groove.

[0010] According to certain embodiments of the first aspect of this application, the outer wall of the inner cover is provided with a plurality of slotted protrusions in the radial direction, the plurality of slotted protrusions are spaced apart from each other, and the key slot is formed between two adjacent slotted protrusions.

[0011] According to certain embodiments of the first aspect of this application, the key is provided with a key plate and a key post, the key post protruding from the key plate.

[0012] According to certain embodiments of the first aspect of this application, the key post passes through the keyhole and is inserted into the key card slot.

[0013] According to a second aspect of this application, a pump head is provided with a pump body and a bottle cap as described in the first aspect of this application, the bottle cap being screwed onto the pump body.

[0014] The above solution has at least the following beneficial effects: When it is necessary to unscrew the bottle cap, insert the key into the keyhole, allowing the key to pass through the keyhole and into the key slot. Rotate the outer cap in the first direction, which in turn causes the key to rotate in the first direction. At this point, the key engages in the key slot, causing the inner cap to rotate in the first direction. Both the outer and inner caps rotate in the first direction. Requiring a key to unscrew the bottle cap prevents unauthorized opening and improves security. Attached Figure Description

[0015] The accompanying drawings are used to provide a further understanding of the technical solutions of this application and constitute a part of the specification. They are used together with the embodiments of this application to explain the technical solutions of this application and do not constitute a limitation on the technical solutions of this application.

[0016] Figure 1 This is a structural diagram of the bottle cap; Figure 2 This is a structural diagram of the outer cover; Figure 3 This is a structural diagram of the inner cover; Figure 4 This is a structural diagram of a key; Figure 5 This is a cross-sectional view of the bottle cap when it is screwed on tightly; Figure 6 It is a cross-sectional view of the bottle cap when it is unscrewed and no key is inserted. Figure 7 It is a cross-sectional view of the bottle cap when the cap is unscrewed and the key is inserted. Figure 8 This is a structural diagram of a hydraulic cylinder. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0018] It should be noted that although functional modules are divided in the device schematic diagram and a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than the module division in the device or the order in the flowchart. The terms "first," "second," etc., in the specification, claims, or the aforementioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0019] Embodiments of this application provide a bottle cap and a hydraulic bottle.

[0020] The embodiments of this application will be further described below with reference to the accompanying drawings.

[0021] Reference Figure 1 The bottle cap includes: an inner cap body 200, an outer cap body 100, and a key 300.

[0022] Reference Figure 2 , Figure 3 and Figure 4 The inner cover 200 is disposed inside the outer cover 100; the outer cover 100 is provided with a keyhole 130, and the inner cover 200 is provided with a key slot 231. The key 300 passes through the keyhole 130 and is inserted into the key slot 231; when the outer cover 100 rotates in the first direction, the outer cover 100 drives the inner cover 200 to rotate in the first direction through the key 300.

[0023] Reference Figure 7 In this embodiment, when it is necessary to unscrew the bottle cap, the key 300 is inserted into the keyhole 130, so that the key 300 passes through the keyhole 130 and is inserted into the key slot 231. The outer cap 100 is rotated in the first direction, and the outer cap 100 drives the key 300 to rotate in the first direction. At this time, the key 300 is locked in the key slot 231, and the key 300 drives the inner cap 200 to rotate in the first direction. Both the outer cap 100 and the inner cap 200 rotate in the first direction.

[0024] Specifically, the first direction is counterclockwise, which is the direction to unscrew the bottle cap; after inserting the key 300 into the keyhole 130, the outer cap 100 is rotated counterclockwise, which drives the key 300 to rotate counterclockwise. At this time, the key 300 is locked in the key slot 231, and the key 300 drives the inner cap 200 to rotate counterclockwise. Both the outer cap 100 and the inner cap 200 rotate counterclockwise.

[0025] The inner cover 200 is provided with a first fastener 210, and the outer cover 100 is provided with a second fastener 110 that can cooperate with the first fastener 210.

[0026] Specifically, the first fastener 210 has a vertical surface on one side and a guide slope on the other side; the second fastener 110 is an arc-shaped part whose height gradually decreases from one end to the other.

[0027] When the outer cover 100 rotates in the second direction, the first latch 210 and the second latch 110 engage, and the outer cover 100 drives the inner cover 200 to rotate in the second direction.

[0028] When the outer cover 100 rotates in the second direction, one end of the second buckle 110 abuts against the vertical surface, and the outer cover 100 drives the inner cover 200 to rotate in the second direction.

[0029] The second direction is opposite to the first direction and is the direction to tighten the bottle cap; the first direction is counterclockwise and the second direction is clockwise.

[0030] Reference Figure 5 Specifically, when it is necessary to tighten the bottle cap, the outer cap 100 is rotated clockwise, and one end of the second fastener 110 abuts against the vertical surface of the first fastener 210, causing the outer cap 100 to drive the inner cap 200 to rotate clockwise.

[0031] When the outer cover 100 rotates in the first direction, the first latch 210 and the second latch 110 do not engage, and the inner cover 200 does not rotate.

[0032] When the outer cover 100 rotates in the first direction, the other end of the second fastener 110 slides along the guide slope, so that the second fastener 110 slides past the first fastener 210, and the inner cover 200 does not rotate.

[0033] Reference Figure 6 Specifically, when the key 300 is not inserted, the outer cover 100 is rotated counterclockwise, and the other end of the second latch 110 slides along the guide slope, so that the second latch 110 slides past the first latch 210, and the inner cover 200 does not rotate.

[0034] The inner wall of the outer cover 100 is provided with an annular groove 120 in the circumferential direction, and the outer wall of the inner cover 200 is provided with an annular protrusion 220 in the circumferential direction. When the inner cover 200 is inserted into the outer cover 100, the annular protrusion 220 is inserted into the annular groove 120 to prevent the inner cover 200 and the outer cover 100 from easily separating.

[0035] When it is necessary to separate the inner cover 200 from the outer cover 100, the inner cover 200 and the outer cover 100 are pulled in opposite directions along the radial direction. The force is sufficient to disengage the annular protrusion 220 from the annular groove 120, thus separating the inner cover 200 and the outer cover 100.

[0036] The outer wall of the inner cover 200 is provided with multiple slotted protrusions 230 in the radial direction. The multiple slotted protrusions 230 are spaced apart from each other, and a key slot 231 is formed between two adjacent slotted protrusions 230. No matter what angle the inner cover 200 is rotated to, when the key 300 is inserted, the key 300 can be locked in the key slot 231 formed between two slotted protrusions 230.

[0037] The key 300 is provided with a key plate 330 and a key post 320, with the key post 320 protruding from the key plate 330. The key post 320 is inserted into the keyhole 130 until the key plate 330 abuts against the outer wall of the outer cover 100. At this time, a sufficiently long portion of the key post 320 passes through the keyhole 130 and is engaged in the key slot 231 of the inner cover 200.

[0038] One end of the key 300 is also provided with a protruding positioning plate 310, the protrusion direction of the positioning plate 310 being the same as the protrusion direction of the key post 320. When the positioning plate 310 is hung on the upper cover surface of the outer cover 100, the height of the key post 320 is the same as the height of the keyhole 130. This facilitates the positioning of the key post 320 and the keyhole 130, and makes it easy to align the key post 320 with the keyhole 130 for insertion.

[0039] In summary, when tightening the bottle cap, rotating the outer cap 100 clockwise causes the vertical surface of the first latch 210 to abut against the higher end of the second latch 110, thus causing the outer cap 100 to rotate the inner cap 200 clockwise to tighten the cap. When unscrewing the bottle cap, if the key 300 is not inserted, rotating the outer cap 100 counterclockwise causes the lower end of the second latch 110 to slide along the guide slope of the first latch 210, allowing the second latch 110 to slide past the first latch 210. The outer cap 100 cannot then rotate the inner cap 200 counterclockwise, and the inner cap 200 does not rotate. Insert key 300, which engages with key slot 231 of inner cap 200. Rotate outer cap 100 counterclockwise, causing key 300 to rotate counterclockwise. At this point, key 300 engages with key slot 231, causing inner cap 200 to rotate counterclockwise. Both outer cap 100 and inner cap 200 rotate counterclockwise to open the bottle cap.

[0040] This setting allows the bottle cap to be tightened without a key 300, but a key 300 is required to unscrew it, thus preventing unauthorized opening and providing a security function.

[0041] An embodiment of this application provides a pump head, which includes a pump body and a bottle cap as described above, the bottle cap being screwed onto the pump body. An embodiment of this application provides a hydraulic cylinder. (See also...) Figure 8 The hydraulic cylinder has a body 400 and a cap as described above, which is screwed onto the neck of the body 400. The hydraulic cylinder also has a pump head, the liquid delivery tube of which is inserted into the body 400, and the nozzle of which is located outside the body 400.

[0042] The above is a detailed description of the preferred embodiments of this application, but this application is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of this application, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A tamper-evident bottle cap, characterized in that include: An inner cover, an outer cover, and a key; the inner cover is disposed inside the outer cover; the outer cover has a keyhole, the inner cover has a key slot, and the key passes through the keyhole and is inserted into the key slot; when the outer cover rotates in a first direction, the outer cover drives the inner cover to rotate in the first direction via the key.

2. The tamper-evident bottle cap according to claim 1, characterized in that The inner cover is provided with a first fastener, and the outer cover is provided with a second fastener that can cooperate with the first fastener.

3. A tamper-evident bottle cap according to claim 2, characterised in that When the outer cover rotates in the second direction, the first latching member engages with the second latching member, and the outer cover rotates the inner cover in the second direction; the second direction is opposite to the first direction.

4. The tamper-evident bottle cap according to claim 2, characterized in that When the outer cover rotates in the first direction, the first and second fasteners do not engage, and the inner cover does not rotate.

5. The tamper-evident bottle cap according to claim 2, wherein The first fastener has a vertical surface on one side and a guide slope on the other side; the second fastener is an arc-shaped component whose height gradually decreases from one end to the other; when the outer cover rotates in the second direction, one end of the second fastener abuts against the vertical surface; when the outer cover rotates in the first direction, the other end of the second fastener slides along the guide slope, causing the second fastener to slide past the first fastener.

6. The tamper-evident bottle cap according to claim 1, characterized in that The inner wall of the outer cover is provided with an annular groove along the circumferential direction, and the outer wall of the inner cover is provided with an annular protrusion along the circumferential direction, the annular protrusion being embedded in the annular groove.

7. The tamper-evident bottle cap according to claim 1, characterized in that The outer wall of the inner cover is provided with multiple slotted protrusions in the radial direction. The multiple slotted protrusions are spaced apart from each other, and the key slot is formed between two adjacent slotted protrusions.

8. The tamper-evident bottle cap according to claim 1, characterized in that The key is provided with a key plate and a key post, the key post protruding from the key plate.

9. A tamper-evident bottle cap according to claim 8, characterised in that The key post passes through the keyhole and is inserted into the key card slot.

10. A pump head characterized by, The pump head is provided with a pump body and an anti-opening bottle cap as described in any one of claims 1 to 9, the bottle cap being screwed onto the pump body.

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