Spring connecting rod tool

Abstract

The utility model discloses a spring connecting rod tool and relates to the technical field of spring connecting rods. The utility model discloses a spring connecting rod tool. Comprising a lower mounting disc, a middle mounting disc arranged above the lower mounting disc, an upper mounting disc arranged above the middle mounting disc, a connecting rod which is arranged on the lower mounting disc and penetrates through the middle mounting disc, an upper supporting block and a lower supporting block which are arranged on the outer side of the connecting rod, and a spring which is arranged between the upper supporting block and the lower supporting block and surrounds the connecting rod, the extension rod is fixed to the top of the connecting rod and penetrates through the upper mounting disc, the upper supporting block supports the middle mounting disc, a jack space is formed between the middle mounting disc and the upper mounting disc, a lead screw penetrating through the middle mounting disc and the upper mounting disc is fixedly mounted on the lower mounting disc, and the outer side of the lead screw is in threaded connection with nuts located at the top of the middle mounting disc and the top of the upper mounting disc. According to the spring connecting rod tool, the elastic force of the spring is slowly released in a manner of unscrewing the nut until the spring is completely not stressed, so that the damage to the strength and the performance of the spring caused by too fast release of the elastic force is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of spring connecting rods, in particular to a spring connecting rod tool. Background Art

[0002] A spring link is a mechanical linkage system that is usually used to convert linear motion into rotational motion or vice versa. It consists of a spring and two connecting parts, which can be rods or shafts. The working principle of a spring link is based on the elastic properties of the spring. When a force or torque is applied to the link, the spring is compressed or stretched, and then a corresponding reaction force is generated. This reaction force can be used to push or pull other parts to achieve linear or rotational motion. In mechanical systems, spring links are often used for shock absorption, adjusting the speed of movement, or generating vibrations. For example, in a car suspension system, spring links can help reduce the bumpy feeling of the vehicle during driving and improve ride comfort. In an engine or mechanical transmission system, they can be used to adjust the speed and force of the link movement to adapt to different working requirements.

[0003] At present, there are no special tools for disassembling and installing large spring connecting rods. When manually disassembling the spring, the elastic force will be released too quickly, causing the spring to be over-stretched. When manually installing the spring, the distance of the spring compression will be different each time, causing the spring to be over-compressed, thereby affecting the strength and performance of the spring itself. For example, in the utility model patent document of the connecting rod balance spring of the comparative document CN201820029257.3, it is recorded that a connecting rod is installed inside the spring, a threaded joint is welded on the bottom surface of the spring, a support base is provided at the bottom end of the spring, and a mounting groove is provided on the top surface of the support base. The support base is threadedly connected with the threaded joint on the spring through the mounting groove, a through hole is provided on the surface of the support base, and a fixing bolt is provided at the bottom of the support base. The bottom end of the connecting rod passes through the through hole and is connected to the fixing bolt, and a guide mechanism is installed on the top of the spring. In the comparative document, there is no tool for disassembling and installing the spring, which will cause the aforementioned problems. Utility Model Content

[0004] The utility model aims to provide a spring connecting rod tool, which can solve the problem that the performance and strength of the spring are easily damaged due to too fast release of elastic force during disassembly and assembly of the spring.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spring connecting rod tool, comprising: a lower mounting plate, a middle mounting plate arranged above the lower mounting plate, an upper mounting plate arranged above the middle mounting plate, a connecting rod installed on the lower mounting plate and passing through the middle mounting plate, an upper support block and a lower support block arranged on the outside of the connecting rod, a spring arranged between the upper support block and the lower support block and surrounding the connecting rod, an extension rod fixed to the top of the connecting rod and passing through the upper mounting plate, the upper support block supports the middle mounting plate, a jack space is arranged between the middle mounting plate and the upper mounting plate, a lead screw passing through the middle mounting plate and the upper mounting plate is fixedly installed on the lower mounting plate, and a nut located on the top of the middle mounting plate and the upper mounting plate is threadedly connected to the outside of the lead screw.

[0006] Preferably, the lower mounting plate, the middle mounting plate and the upper mounting plate have the same size and their center lines coincide with each other.

[0007] Preferably, the number of lead screws is three and they are evenly distributed in an array around the connecting rod.

[0008] Preferably, a first mounting hole for the connecting rod to pass through is provided at the center of the middle mounting plate, and a second mounting hole for the extension rod to pass through is provided at the center of the upper mounting plate.

[0009] Preferably, both the middle mounting plate and the upper mounting plate are provided with positioning holes for the lead screw to pass through, the inner diameter of the positioning hole is larger than the outer diameter of the lead screw, and the middle mounting plate and the upper mounting plate can slide on the outside of the lead screw through the positioning holes.

[0010] Preferably, a base is fixedly mounted on the bottom of the lower mounting plate to stabilize the center of gravity and play a supporting role.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The spring connecting rod tool releases the spring force slowly by loosening the nut of the middle mounting plate until the spring is completely free of force, thereby avoiding damage to the strength and performance of the spring itself caused by releasing the spring force too quickly.

[0013] (2) The spring connecting rod tool is provided with a hydraulic jack installed in the jack space. Since the hydraulic jack can be extended to a fixed distance each time, it is ensured that the spring is compressed to the same distance each time, so that the spring can maintain the same performance and strength each time it is used, thereby extending the service life of the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a sampling diagram of the utility model;

[0015] Figure 2 It is an axonometric cross-sectional view of the utility model;

[0016] Figure 3 It is the front view of the utility model.

[0017] In the figure: lower mounting plate 1, middle mounting plate 2, upper mounting plate 3, connecting rod 4, upper support block 4a, lower support block 4b, spring 5, extension rod 6, jack space 7, lead screw 8, nut 9, first mounting hole 10, second mounting hole 11, positioning hole 12, base 13. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model provides a technical solution: a spring connecting rod tool, comprising: a lower mounting plate 1, a middle mounting plate 2 arranged above the lower mounting plate 1, an upper mounting plate 3 arranged above the middle mounting plate 2, a connecting rod 4 installed on the lower mounting plate 1 and passing through the middle mounting plate 2, an upper support block 4a and a lower support block 4b arranged on the outside of the connecting rod 4, a spring 5 arranged between the upper support block 4a and the lower support block 4b and surrounding the connecting rod 4, an extension rod 6 fixed to the top of the connecting rod 4 and passing through the upper mounting plate 3, the upper support block 4a supports the middle mounting plate 2, a jack space 7 is arranged between the middle mounting plate 2 and the upper mounting plate 3, a lead screw 8 passing through the middle mounting plate 2 and the upper mounting plate 3 is fixedly installed on the lower mounting plate 1, a nut 9 located at the top of the middle mounting plate 2 and the upper mounting plate 3 is threadedly connected to the outer side of the lead screw 8, and a base 13 which stabilizes the center of gravity and plays a supporting role is fixedly installed at the bottom of the lower mounting plate 1.

[0020] Furthermore, the lower mounting plate 1, the middle mounting plate 2, and the upper mounting plate 3 have the same size and their center lines coincide with each other, three lead screws 8 are arranged and evenly distributed in an array around the connecting rod 4, a first mounting hole 10 is provided at the center of the middle mounting plate 2 for the connecting rod 4 to pass through, and a second mounting hole 11 is provided at the center of the upper mounting plate 3 for the extension rod 6 to pass through.

[0021] Furthermore, both the middle mounting plate 2 and the upper mounting plate 3 are provided with positioning holes 12 for the screw 8 to pass through, and the inner diameter of the positioning hole 12 is larger than the outer diameter of the screw 8 , and the middle mounting plate 2 and the upper mounting plate 3 can slide on the outside of the screw 8 through the positioning holes 12 .

[0022] Working principle: when it is necessary to release the elastic force of the spring 5, the nut 9 on the middle mounting plate 2 is loosened to slowly release the elastic force of the spring 5 until the spring 5 is completely free of force. When it is necessary to compress the spring 5, a hydraulic jack is installed in the jack space 7. The jack can ensure that the extended distance is the same each time, so that the distance of compressing the spring 5 each time can be kept the same, ensuring that the spring 5 can maintain the same performance and strength each time it is used, thereby extending the life of the spring.

[0023] 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. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A spring connecting rod tool, characterized in that: include: A lower mounting plate (1), a middle mounting plate (2) arranged above the lower mounting plate (1), an upper mounting plate (3) arranged above the middle mounting plate (2), a connecting rod (4) mounted on the lower mounting plate (1) and passing through the middle mounting plate (2), an upper support block (4a) and a lower support block (4b) arranged outside the connecting rod (4), a spring (5) arranged between the upper support block (4a) and the lower support block (4b) and surrounding the connecting rod (4), an extension rod (6) fixed on the top of the connecting rod (4) and passing through the upper mounting plate (3), the upper support block (4a) supporting the middle mounting plate (2), a jack space (7) being arranged between the middle mounting plate (2) and the upper mounting plate (3), a lead screw (8) passing through the middle mounting plate (2) and the upper mounting plate (3) being fixedly mounted on the lower mounting plate (1), and a nut (9) located at the top of the middle mounting plate (2) and the upper mounting plate (3) being threadedly connected to the outer side of the lead screw (8).

2. The spring connecting rod tool according to claim 1, characterized in that: The lower mounting plate (1), the middle mounting plate (2) and the upper mounting plate (3) have the same dimensions and their center lines coincide with each other.

3. The spring connecting rod tool according to claim 2, characterized in that: The number of the lead screws (8) is three and they are evenly distributed in an array around the connecting rod (4).

4. The spring connecting rod tool according to claim 3, characterized in that: A first mounting hole (10) for the connecting rod (4) to pass through is provided at the center of the middle mounting plate (2), and a second mounting hole (11) for the extension rod (6) to pass through is provided at the center of the upper mounting plate (3).

5. The spring connecting rod tool according to claim 4, characterized in that: The middle mounting plate (2) and the upper mounting plate (3) are both provided with a positioning hole (12) for the lead screw (8) to pass through, the inner diameter of the positioning hole (12) being larger than the outer diameter of the lead screw (8), and the middle mounting plate (2) and the upper mounting plate (3) can slide on the outside of the lead screw (8) through the positioning hole (12).

6. The spring connecting rod tool according to claim 5, characterized in that: A base (13) is fixedly mounted on the bottom of the lower mounting plate (1) for stabilizing the center of gravity and playing a supporting role.

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