Top pressure strength tester

The top pressure strength testing instrument addresses the challenge of varying cap sizes and shapes by using adjustable clamps for secure testing, enhancing stability and accuracy while simplifying maintenance.

CN223107460UActive Publication Date: 2025-07-15DONGGUAN QUALITEST CO LTD
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Patent Information

Application Number
CN202422032547.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-07-15
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

Existing top pressure strength testers require custom fixtures when testing bottle caps of different sizes or shapes, resulting in reduced stability and applicability.

Method used

The six electric push rod-driven clamps limit the bottle caps from different directions, and combine the removable threaded connection structure to adapt to bottle caps of different sizes and shapes.

Benefits of technology

Improves the stability of the cap and the accuracy of the test, enhances the practicality of the top pressure strength tester, and simplifies the maintenance and replacement of accessories.

✦ Generated by Eureka AI based on patent content.

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Abstract

The top pressure strength tester comprises a base assembly, a testing assembly and a limiting assembly, the base assembly comprises a bottom plate, two supporting plates are fixedly connected to the top end face of the bottom plate, grooves are formed in the tops of the supporting plates, a positioning plate is arranged between the two supporting plates, six sliding grooves are formed in the top of the positioning plate, and the limiting assembly is arranged on the bottom plate. The test assembly comprises a convex block, and the top end of the convex block is fixedly connected with a pressing plate. Corresponding bottle caps are placed on the top end face of the bottom plate, the six electric push rods are opened to push the corresponding six clamping blocks, the bottle caps are limited in different directions, the device is suitable for the bottle caps of different sizes and different shapes, stability is enhanced, the accuracy of a top pressure test and the practicability of a top pressure strength tester are improved, corresponding lock catches are pulled to be separated from hooks, and the device is convenient to use. The cover plate and components on the cover plate are taken down, the threaded rod is rotated to be separated from the threaded barrel, the bolt is unscrewed to be separated from the threaded hole, the protruding block is taken down to be separated from the groove, the disassembly and assembly process is very convenient, and the accessory maintenance and replacement efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of top pressure strength testing, in particular to a top pressure strength tester. Background Art

[0002] A top pressure strength tester, also known as a vertical load pressure tester or a plastic bottle top pressure strength tester, is a precision instrument specifically used to evaluate the pressure resistance of various packaging bottles in the vertical direction, such as PET bottles, purified water bottles, mineral water bottles, oil bottles, cola bottles, etc. This device is widely used in fields such as the packaging industry, food detection, PET bottle detection, and compression testing of containers.

[0003] Currently, for the top pressure strength test of bottle caps, a top pressure strength tester is generally used. However, when performing top pressure tests on bottle caps of different sizes or shapes, corresponding fixtures need to be used. The design of the fixtures is usually customized according to the shape and size of the specimens to ensure that the specimens do not slip or produce unnecessary displacement during the test, reducing stability, narrowing the applicable range of the existing top pressure strength tester, and reducing its practicality. Summary of the Utility Model

[0004] A top pressure strength tester of the utility model places the corresponding bottle cap on the top end surface of the bottom plate, and opens the electric push rods, so that the output ends of the six electric push rods push the corresponding six clamping blocks to limit and cooperate with the bottle cap from different directions, achieving the purpose of being applicable to bottle caps of different size specifications and different shapes, effectively enhancing the stability of the bottle cap, improving the accuracy of the top pressure test, and the practicality of the top pressure strength tester.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A top pressure strength tester includes a base assembly, a test assembly, and a limiting assembly.

[0007] The base assembly includes a bottom plate. Two support plates are fixedly connected to the top end surface of the bottom plate. Grooves are formed at the tops of the support plates. A positioning plate is arranged between the two support plates. Six sliding grooves are formed at the top of the positioning plate.

[0008] The test assembly includes a convex block. A pressing plate is fixedly connected to the top end of the convex block. A fixing block is fixedly connected to the outer surface of the pressing plate. A connecting plate is fixedly connected to the outer surface of the convex block. A threaded hole is formed in the fixing block and the connecting plate together. A bolt is fitted in the threaded hole.

[0009] The convex block is fitted in the groove.

[0010] The limiting component includes six sliders. A cover plate is fixedly connected to the top end of each slider. An electric push rod is installed on the outer surface of each slider. The output end of the electric push rod is fixedly connected to a threaded cylinder. A threaded rod is fitted inside the threaded cylinder, and a clamping block is fixedly connected to the end of the threaded rod.

[0011] The sliders are fitted in the sliding grooves.

[0012] Preferably, the testing component further includes a top pressure gauge, which is installed on the bottom end surface of the pressing plate, and the testing end of the top pressure gauge is vertically downward.

[0013] Preferably, a clamping block is fixedly connected to the outer surface of the cover plate, and the inner surface of the clamping block is lapped on the outer surface of the bottom plate.

[0014] Preferably, a hook is fixedly connected to the outer surface of the cover plate, and a lock catch is fixedly connected to the outer surface of the positioning plate.

[0015] Preferably, the hook and the lock catch are snap-connected.

[0016] The utility model has the following beneficial effects:

[0017] 1. Place the corresponding bottle cap on the top end surface of the bottom plate, turn on the electric push rods, so that the output ends of the six electric push rods push the corresponding six clamping blocks to limit the bottle cap from different directions, thereby being applicable to bottle caps of different sizes and different shapes, effectively enhancing the stability of the bottle cap, and improving the accuracy of the top pressure test and the practicability of the top pressure strength tester;

[0018] 2. When performing maintenance and disassembly work, only need to pull the corresponding lock catch away from the hook, remove the cover plate and the components on it, rotate the corresponding clamping block to drive the threaded rod to separate from the threaded cylinder, use a tool to unscrew the bolt so that the bolt separates from the threaded hole, and remove the corresponding pressing plate so that the convex block separates from the groove. The disassembly and assembly process is very convenient, improving the efficiency of maintaining and replacing parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the top pressure strength tester;

[0020] Figure 2 is a schematic structural diagram of the base component of the top pressure strength tester;

[0021] Figure 3 is a schematic structural diagram of the testing component of the top pressure strength tester;

[0022] Figure 4 is a schematic structural diagram of the limiting component of the utility model;

[0023] Figure 5 is of the utility model Figure 1 partial enlarged structural schematic diagram at A in;

[0024] Figure 6 For the present utility model Figure 4 is a schematic diagram of a partially enlarged structure at position B in

[0025] In the figure: 1. Base assembly; 101. Bottom plate; 102. Support plate; 103. Groove; 104. Positioning plate; 105. Slide groove; 2. Test assembly; 201. Protrusion; 202. Pressing plate; 203. Fixed block; 204. Top pressure gauge; 3. Bolt; 4. Connecting plate; 5. Limiting assembly; 501. Slide block; 502. Cover plate; 503. Electric push rod; 504. Threaded cylinder; 505. Threaded rod; 506. Clamping block; 507. Locking block; 6. Hook; 7. Lock catch. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0027] Refer to Figures 1-6 , a top pressure strength tester, which is applied to the top pressure strength test work of bottle caps with different sizes and different shapes.

[0028] It includes a base assembly 1, a test assembly 2 and a limiting assembly 5. The output ends of six electric push rods 503 push the corresponding six clamping blocks 506 to limit the bottle cap from different directions, so as to be applicable to bottle caps with different sizes and different shapes, effectively enhancing the stability of the bottle cap and improving the accuracy of the top pressure test and the practicability of the top pressure strength tester.

[0029] The base assembly 1 includes a bottom plate 101. Two support plates 102 are fixedly connected to the top end surface of the bottom plate 101. A groove 103 is opened at the top of the support plate 102. A positioning plate 104 is arranged between the two support plates 102. Six slide grooves 105 are opened at the top of the positioning plate 104.

[0030] The test assembly 2 includes a protrusion 201. A pressing plate 202 is fixedly connected to the top end of the protrusion 201. A fixed block 203 is fixedly connected to the outer surface of the pressing plate 202. A connecting plate 4 is fixedly connected to the outer surface of the protrusion 201. A threaded hole is commonly opened in the fixed block 203 and the connecting plate 4. A bolt 3 is fitted in the threaded hole. The protrusion 201 is fitted in the groove 103. The test assembly 2 further includes a top pressure gauge 204. The top pressure gauge 204 is installed on the bottom end surface of the pressing plate 202. The test end of the top pressure gauge 204 is vertically downward.

[0031] During testing, place the corresponding bottle cap at the designated position on the top surface of the bottom plate 101 so that the bottle cap is directly below the test end of the top pressure tester 204. Just turn on the top pressure tester 204 so that the test end of the top pressure tester 204 moves downward to squeeze the corresponding bottle cap, thereby measuring the top pressure strength of the bottle cap.

[0032] During disassembly and assembly, just use a tool to unscrew the bolt 3 so that the bolt 3 is separated from the threaded hole, and remove the corresponding pressing plate 202 so that the convex block 201 is separated from the groove 103.

[0033] The limiting component 5 includes six sliders 501. The top end of the slider 501 is fixedly connected with a cover plate 502. An electric push rod 503 is installed on the outer surface of the slider 501. The output end of the electric push rod 503 is fixedly connected with a threaded cylinder 504. A threaded rod 505 is fitted in the threaded cylinder 504. The end of the threaded rod 505 is fixedly connected with a clamping block 506. The slider 501 is fitted in the chute 105. A clamping block 507 is fixedly connected to the outer surface of the cover plate 502. The inner surface of the clamping block 507 abuts against the outer surface of the bottom plate 101. A hook 6 is fixedly connected to the outer surface of the cover plate 502. A lock catch 7 is fixedly connected to the outer surface of the positioning plate 104. The hook 6 and the lock catch 7 are snap-connected.

[0034] During the maintenance disassembly and assembly work, just pull the corresponding lock catch 7 to separate it from the hook 6, remove the cover plate 502 and the components on it, and rotate the corresponding clamping block 506 to drive the threaded rod 505 to separate from the threaded cylinder 504.

[0035] Place the corresponding bottle cap on the top surface of the bottom plate 101, turn on the electric push rod 503 so that the output ends of the six electric push rods 503 push the corresponding six clamping blocks 506 to limit the bottle cap from different directions, thereby adapting to bottle caps of different sizes and different shapes, effectively enhancing the stability, improving the accuracy of the top pressure test and the practicability of the top pressure strength tester.

[0036] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its utility model concept, makes equivalent replacements or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A top pressure strength tester, characterized in that, Including: A base assembly (1), the base assembly (1) includes a bottom plate (101), two support plates (102) are fixedly connected to the top surface of the bottom plate (101), a groove (103) is provided at the top of the support plate (102), a positioning plate (104) is arranged between the two support plates (102), and six sliding grooves (105) are provided at the top of the positioning plate (104); A test assembly (2), the test assembly (2) includes a bump (201), a pressing plate (202) is fixedly connected to the top end of the bump (201), a fixing block (203) is fixedly connected to the outer surface of the pressing plate (202), a connecting plate (4) is fixedly connected to the outer surface of the bump (201), a threaded hole is jointly provided in the fixing block (203) and the connecting plate (4), and a bolt (3) is fitted in the threaded hole; The bump (201) is fitted in the groove (103); A limiting assembly (5), the limiting assembly (5) includes six sliders (501), a cover plate (502) is fixedly connected to the top end of the slider (501), an electric push rod (503) is installed on the outer surface of the slider (501), the output end of the electric push rod (503) is fixedly connected to a threaded cylinder (504), a threaded rod (505) is fitted in the threaded cylinder (504), and a clamping block (506) is fixedly connected to the end of the threaded rod (505); The slider (501) is fitted in the sliding groove (105).

2. The top pressure strength tester according to claim 1, characterized in that: The test assembly (2) further includes a top pressure gauge (204), the top pressure gauge (204) is installed on the bottom end surface of the pressing plate (202), and the test end of the top pressure gauge (204) is vertically downward.

3. The top pressure strength tester according to claim 1, wherein: A clamping block (507) is fixedly connected to the outer surface of the cover plate (502), and the inner surface of the clamping block (507) is lapped on the outer surface of the bottom plate (101).

4. The top pressure strength tester according to claim 1, characterized in that: A hook (6) is fixedly connected to the outer surface of the cover plate (502), and a lock catch (7) is fixedly connected to the outer surface of the positioning plate (104).

5. The top pressure strength tester according to claim 4, characterized in that: The hook (6) and the lock catch (7) are snap-connected.