Adjustable pressure gauge calibration table
By incorporating an adjustable spring and screw structure into the pressure gauge calibration bench, the problem of unsatisfactory pressing effect caused by fixed spring force is solved, enabling adaptive adjustment of spring force and convenient device maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-03-27
AI Technical Summary
In existing pressure gauge calibration benches, the spring force of the connecting spring is fixed and cannot be adjusted according to the operator's pressing force, resulting in unsatisfactory pressing effect and affecting liquid injection.
By setting adjustable springs, screws, bolts, and other structures on the calibration platform, the spring force can be adjusted adaptively. With the use of screws and fixing plates, the deformation of the spring can be changed to adapt to different pressing forces.
It enables flexible adjustment of the spring force to meet the pressing needs of different operators, improving the pressing effect and the ease of maintenance of the device.
Smart Images

Figure CN224051499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to pressure gauge check technical field, specifically adjustable pressure gauge check platform. BACKGROUND
[0002] The Chinese patent with the publication number CN221882884U discloses a kind of semi-automatic adjustable pressure gauge check platform, including check platform body and the pressure reduction adjusting body of check platform body upper end setting, the front end of liquid injection body is provided with buckling block, when press hand pressure pump rod, hand pressure pump rod is received by pillow-shaped connecting block when moving downward, slowly descend by built-in connecting spring buffering, simultaneously because the effect of rubber upper pad can effectively avoid hand pressure pump rod and liquid injection body extrusion each other, the damage of hand pressure pump rod can be effectively reduced by the improvement of the utility model, to effectively improve the service life of check platform.But, in prior art, relevant device exposes certain limitation in actual application process.Specifically, the installation position of connecting spring in the device is fixed, so that its buffer elastic force is fixed value, lack of adjustability.However, in actual use process, the force of different operators press hand pressure pump rod exists significant difference, which makes the press range of hand pressure pump rod not identical.When the press force applied by operator is smaller, since connecting spring cannot be adaptively adjusted according to press force, it will lead to unsatisfactory press effect, and further affect the injection of liquid. UTILITY MODEL CONTENTS
[0003] The utility model aims at solving the technical problems existing in prior art, and therefore proposes a kind of adjustable pressure gauge check platform.
[0004] The purpose of the utility model can be realized by the following technical solutions:
[0005] A kind of adjustable pressure gauge check platform, including the check platform body of being provided with hand pressure pump rod, the top of check platform body is fixedly connected with fixed block, and the movable slot is opened in the fixed block.
[0006] Rotatable straight rod is arranged on the hand pressure pump rod, push rod is slidably connected on the fixed block, one end of push rod is fixedly connected with push plate, adjustable spring is arranged in the movable slot, and the spring is fixedly connected with push plate.
[0007] As a further scheme of the utility model: screw rod is threadedly connected on the fixed block, and one end of screw rod is rotatably connected with fixed plate.
[0008] As a further scheme of the utility model: the fixed plate is fixedly connected with spring, and the fixed plate is slidably connected with movable slot.
[0009] As a further scheme of the utility model: the push plate is slidably connected with the movable groove, and the other end of the push rod is provided with an arc surface.
[0010] As a further scheme of the utility model: a through hole is formed through the surface of the hand pressure pump rod.
[0011] As a further scheme of the utility model: one end of the straight rod is rotatably connected with a connecting rod, the connecting rod is fixedly connected with a baffle, and the baffle is attached to the hand pressure pump rod.
[0012] As a further scheme of the utility model: a bolt is threadedly connected to one side of the baffle, the bolt passes through the through hole, a fastening block is threadedly connected to the bolt, and the fastening block is attached to the hand pressure pump rod.
[0013] As a further scheme of the utility model: one end of the straight rod is provided with a roller capable of moving on the calibration table body, and the roller is attached to the push rod.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] 1. The spring deformation amount is changed by cooperation of the screw rod and the fixed plate, so that the spring elasticity is adaptively adjusted, and people with different pressing forces can press conveniently.
[0016] 2. The straight rod is conveniently disassembled and assembled by cooperation of the through hole, the bolt, the fastening block and the baffle, so that the device is convenient for daily maintenance. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a perspective view of the utility model;
[0018] Figure 2 It is a perspective view of the utility model Figure 1 It is a local enlarged view of A in the utility model;
[0019] Figure 3 It is a sectional view of the fixed block of the utility model;
[0020] Figure 4 It is a perspective view of the hand pressure pump rod of the utility model.
[0021] In the drawing: 1, hand pressure pump rod; 2, calibration table body; 3, fixed block; 4, movable groove; 5, straight rod; 6, push rod; 7, push plate; 8, spring; 9, screw rod; 10, fixed plate; 11, through hole; 12, connecting rod; 13, baffle; 14, fastening block; 15, roller; 16, bolt. DETAILED DESCRIPTION
[0022] The technical solutions of the utility model will be clearly and completely described below in combination with the embodiments, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0023] Embodiment one
[0024] Please refer to Figures 1-4 The application provides a pressure gauge calibration table, which comprises a calibration table body 2 provided with a hand pump rod 1, a fixed block 3 fixedly connected to the top of the calibration table body 2, and a movable groove 4 formed in the fixed block 3.
[0025] A rotatable straight rod 5 is arranged on the hand pump rod 1, a push rod 6 is slidably connected to the fixed block 3, one end of the push rod 6 is fixedly connected to a push plate 7, an adjustable spring 8 is arranged in the movable groove 4, and the spring 8 is fixedly connected to the push plate 7. In actual operation scenarios, different use requirements often require the hand pump rod to have different pressing ranges. By rotating the screw rod 9 and under the limiting action of the movable groove 4, the fixed plate 10 is driven to slide in the movable groove 4 and compress the spring 8, and the spring 8 is compressed to an appropriate length. Then, when the hand pump rod 1 is pressed, the connecting rod 12 is driven to move synchronously with the hand pump rod 1 due to the fixed action of the fastening block 14, the bolt 16 and the baffle 13, so that the straight rod 5 rotates on the connecting rod 12, the roller 15 moves, the push rod 6 is pushed, the push plate 7 drives the spring 8 to compress, and the deformation amount of the spring 8 is changed through the cooperation of the screw rod 9 and the fixed plate 10, so that the spring force of the spring 8 is adaptively adjusted, thereby facilitating people with different pressing forces to press.
[0026] A screw rod 9 is threadedly connected to the fixed block 3, and one end of the screw rod 9 is rotatably connected to a fixed plate 10.
[0027] The fixed plate 10 is fixedly connected to the spring 8, and the fixed plate 10 is slidably connected to the movable groove 4.
[0028] The push plate 7 is slidably connected to the movable groove 4, and the other end of the push rod 6 is provided in an arc shape.
[0029] A through hole 11 is formed through the surface of the hand pump rod 1.
[0030] One end of the straight rod 5 is provided with a roller 15 capable of moving on the calibration table body 2, and the roller 15 is in contact with the push rod 6.
[0031] Embodiment two
[0032] On the basis of embodiment one, see Figure 2 as shown.
[0033] One end of the straight rod 5 is rotatably connected with a connecting rod 12, the connecting rod 12 is fixedly connected with a baffle 13, and the baffle 13 is attached to the hand pressure pump rod 1.
[0034] One side of the baffle 13 is threadedly connected with a bolt 16, the bolt 16 passes through the through hole 11, the bolt 16 is threadedly connected with a fastening block 14, and the fastening block 14 is attached to the hand pressure pump rod 1. During routine maintenance, the fastening block 14 is removed from the bolt 16, then the bolt 16 is rotated and removed from the baffle 13, thereby achieving disassembly of the straight rod 5 and the hand pressure pump rod 1, and achieving the convenience of disassembling the straight rod 5, facilitating overall routine maintenance of the device.
[0035] The working principle of the utility model is: in the actual operation scene, different use requirements often require the hand pressure pump rod to have different pressing ranges, by rotating the screw rod 9, and under the limiting action of the movable groove 4, the fixed plate 10 is driven to slide in the movable groove 4 and compress the spring 8, the spring 8 is compressed to the appropriate length, then when pressing the hand pressure pump rod 1, under the fixing action of the fastening block 14, the bolt 16 and the baffle 13, the connecting rod 12 is driven to move synchronously with the hand pressure pump rod 1, thereby making the straight rod 5 rotate on the connecting rod 12, thereby making the roller 15 move, the roller 15 pushes the push rod 6 when moving, thereby driving the push plate 7 to compress the spring 8, and the deformation amount of the spring 8 is changed through the cooperation of the screw rod 9 and the fixed plate 10, thereby adaptively adjusting the spring force of the spring 8, thereby facilitating pressing by people with different pressing forces.
[0036] During routine maintenance, the fastening block 14 is removed from the bolt 16, then the bolt 16 is rotated and removed from the baffle 13, thereby achieving disassembly of the straight rod 5 and the hand pressure pump rod 1, and achieving the convenience of disassembling the straight rod 5, facilitating overall routine maintenance of the device.
[0037] The above embodiments are only used to illustrate the technical method of the utility model and not to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.
Claims
1. An adjustable pressure gauge testing stand comprising a testing stand body (2) provided with a hand pump lever (1), characterized in that, The top of the check platform body (2) is fixedly connected with a fixed block (3), and the fixed block (3) is provided with a movable slot (4); The hand pressure pump rod (1) is provided with a rotatable straight rod (5), the fixed block (3) is slidably connected with a push rod (6), one end of the push rod (6) is fixedly connected with a push plate (7), the movable slot (4) is provided with an adjustable spring (8), and the spring (8) is fixedly connected with the push plate (7).
2. An adjustable pressure gauge test stand according to claim 1, wherein, The fixed block (3) is threadedly connected with a screw rod (9), and one end of the screw rod (9) is rotatably connected with a fixed plate (10).
3. An adjustable pressure gauge test stand according to claim 2, wherein, The fixed plate (10) is fixedly connected with the spring (8), and the fixed plate (10) is slidably connected with the movable slot (4).
4. An adjustable pressure gauge test stand according to claim 1, wherein, The push plate (7) is slidably connected with the movable slot (4), and the other end of the push rod (6) is provided in an arc shape.
5. An adjustable pressure gauge test stand according to claim 1, wherein, The surface of the hand pressure pump rod (1) is provided with a through hole (11).
6. An adjustable pressure gauge test stand according to claim 5, wherein, One end of the straight rod (5) is rotatably connected with a connecting rod (12), the connecting rod (12) is fixedly connected with a baffle (13), and the baffle (13) is attached to the hand pressure pump rod (1).
7. An adjustable pressure gauge test stand according to claim 6, wherein, One side of the baffle (13) is threadedly connected with a bolt (16), the bolt (16) penetrates through the through hole (11), the bolt (16) is threadedly connected with a fastening block (14), and the fastening block (14) is attached to the hand pressure pump rod (1).
8. An adjustable pressure gauge test stand according to claim 1, wherein, One end of the straight rod (5) is provided with a roller (15) capable of moving on the check platform body (2), and the roller (15) is attached to the push rod (6).
Citation Information
Patent Citations
Semi-automatic adjustable pressure gauge calibration table
CN221882884U