Spring hinge for automatically closing compartment door of cold chain truck

Abstract

The utility model relates to the technical field of spring hinges, and discloses an automatic door closing spring hinge for a cold chain truck compartment door, which comprises a main body mechanism, a fixing mechanism and a lubricating mechanism, the fixing mechanism is positioned at the outer end of the main body mechanism, and the lubricating mechanism is positioned at the upper end of the main body mechanism. According to the automatic door closing spring hinge for the cold chain truck compartment door, through installation of the main body mechanism, in the using process of the spring hinge, a user can freely adjust the elastic coefficient of the reset spring according to the specific using condition through arrangement of the spring adjusting assembly, and the spring hinge can be conveniently used according to the actual condition; meanwhile, the reset spring can be conveniently disassembled and assembled, in the specific use process, the reset spring can be pulled open after the truck compartment door is opened, and the reset spring can reset after force applied to the truck compartment door disappears, so that the truck compartment door is automatically closed, manual door closing is not needed, the structure is simple, use is convenient, and practicability is high. And the practicability of the automatic door closing spring hinge for the cold chain truck compartment door is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spring hinges, in particular to an automatic door-closing spring hinge for a cold chain truck compartment door. Background Art

[0002] A hinge, also known as a hinge, is a mechanical device used to connect two solids and allow relative rotation between them. The hinge can be composed of movable components or foldable materials.

[0003] The existing CN217631888U patent document proposes a spring hinge piece, including a first movable plate and a second movable plate, the outer wall of the first movable plate is fixed with a first clamping sleeve, and the number of the first clamping sleeves is two, the outer wall of the second movable plate is fixed with a second clamping sleeve, and the number of the second clamping sleeves is two, the outside of the two second clamping sleeves is installed with a connecting component, and the opposite side of the two second clamping sleeves is installed with a spring body. The utility model provides a spring hinge piece, which is designed with a connecting component for the device. During installation, the two first clamping sleeves make the connecting sleeve rotate in the ball through the contact plate, which can effectively avoid the abnormal noise caused by the direct contact between the two first clamping sleeves and the two second clamping sleeves, and is also designed with an installation component, and the block is installed and positioned along the teeth and the positioning groove. Such a design can increase the contact surface of the first movable plate and the second movable plate, so that the force after installation is more stable.

[0004] However, since the prior art patent technology with publication number CN217631888U cannot automatically close the door after the compartment door is opened during use, the door still needs to be closed manually, resulting in poor use effect. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the utility model is to provide an automatic door closing spring hinge for a cold chain truck compartment door, so as to solve the problem in the above background technology that the compartment door cannot be closed automatically after opening, and needs to be closed manually, resulting in poor use effect.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spring hinge for automatically closing a door of a cold chain truck compartment, comprising a main body mechanism, a fixing mechanism and a lubricating mechanism, wherein the fixing mechanism is located at the outer end of the main body mechanism, the lubricating mechanism is located at the upper end of the main body mechanism, the main body mechanism comprises a hinge shaft, a mounting block 1 and a mounting block 2, the mounting block 1 is movably connected to the right end of the hinge shaft, and the mounting block 2 is movably connected to the left end of the hinge shaft;

[0009] Preferably, the main mechanism also includes a spring adjusting assembly and a return spring, the spring adjusting assembly is fixedly mounted on the front end of the mounting block, and the return spring is movably connected to the inside of the spring adjusting assembly. During the use of the spring hinge, through the setting of the spring adjusting assembly, the user can freely adjust the elastic coefficient of the return spring according to the specific usage situation, which is convenient for use according to actual conditions and convenient for disassembly and assembly of the return spring. During specific use, the return spring will be pulled open after the truck compartment door is opened, and the return spring will be reset when the force applied to the truck compartment door disappears, so that the truck compartment door is automatically closed without the need for manual closing. The structure is simple and easy to use.

[0010] Preferably, the spring adjustment assembly includes an adjustment block and an adjustment hole, the adjustment block is fixedly mounted on the front end of the mounting block, the adjustment hole is fixedly mounted on the upper end of the adjustment block, and a plurality of adjustment holes are arranged on the adjustment block. The user can insert the two ends of the reset spring into the adjustment holes at appropriate distances for fixing according to specific usage conditions, so as to facilitate adjustment of the elastic coefficient of the reset spring.

[0011] Preferably, the fixing mechanism comprises a fixing ear, a fixing hole, a bolt gasket and a fastening bolt, the fixing ear is fixedly mounted on an outer end of the mounting block, and the fixing hole is fixedly arranged at the front end of the fixing ear.

[0012] Preferably, the bolt gasket is movably connected to the front end of the fixing hole, and the fastening bolt is movably connected to the front end of the bolt gasket. Through the mutual connection between the fixing hole, the bolt gasket and the fastening bolt, the fixing ear can be installed at the truck door to facilitate the fixation of the spring hinge.

[0013] Preferably, the lubricating mechanism comprises a storage box, an oil filling port and an oil dripping tube, the storage box is fixedly mounted on the upper end of the mounting block 2, and the lubricating oil can be stored in the storage box.

[0014] Preferably, the oil filling port is fixedly arranged at the upper end of the storage box, and the oil dripping tube is fixedly installed at the lower end of the storage box. The oil dripping tube is located above the hinge shaft. Lubricating oil can be added into the storage box through the oil filling port, and the lubricating oil can be dripped onto the hinge shaft through the oil dripping tube, so that the hinge shaft can rotate more smoothly, which can increase the service life of the spring hinge.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The automatic closing spring hinge for the cold chain truck compartment door realizes that during the use of the spring hinge, through the installation of the main body mechanism, the user can freely adjust the elastic coefficient of the reset spring according to the specific use situation through the setting of the spring adjustment component, which is convenient for use according to the actual situation and convenient for disassembly and assembly of the reset spring. In specific use, the reset spring will be pulled apart after the truck compartment door is opened, and the reset spring will be reset when the force applied to the truck compartment door disappears, so that the truck compartment door is automatically closed without manual closing. The structure is simple and easy to use, which improves the practicality of the automatic closing spring hinge for the cold chain truck compartment door;

[0017] 2. The automatic closing spring hinge for the cold chain truck compartment door realizes the mutual connection between the fixing hole, the bolt gasket and the fastening bolt by installing the fixing mechanism. The fixing ear can be installed on the truck compartment door, which is convenient for fixing the spring hinge and improves the fixing effect of the automatic closing spring hinge for the cold chain truck compartment door;

[0018] 3. The automatic closing spring hinge for the cold chain truck compartment door, through the installation of the lubrication mechanism, realizes that lubricating oil can be added into the storage box through the oil filling port, and the lubricating oil can be dripped on the hinge shaft through the oil drip tube, so that the hinge shaft can rotate more smoothly, which can increase the service life of the spring hinge and improve the use effect of the automatic closing spring hinge for the cold chain truck compartment door. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the explosion structure of the fixing mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the lubrication mechanism structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the enlarged structure of the spring adjustment component of the utility model.

[0023] In the figure: 1. main body; 101. hinge shaft; 102. mounting block 1; 103. mounting block 2; 104. spring adjustment assembly; 1041. adjustment block; 1042. adjustment hole; 105. reset spring; 2. fixing mechanism; 201. fixing ear; 202. fixing hole; 203. bolt gasket; 204. fastening bolt; 3. lubrication mechanism; 301. storage box; 302. oil filling port; 303. oil drip tube. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 4 The utility model provides a technical solution: a spring hinge for automatically closing the door of a cold chain truck compartment, comprising a main body mechanism 1, a fixing mechanism 2 and a lubricating mechanism 3, wherein the fixing mechanism 2 is located at the outer end of the main body mechanism 1, and the lubricating mechanism 3 is located at the upper end of the main body mechanism 1, and the main body mechanism 1 comprises a hinge shaft 101, a mounting block 102 and a mounting block 2 103, wherein the mounting block 102 is movably connected to the right end of the hinge shaft 101, and the mounting block 2 103 is movably connected to the left end of the hinge shaft 101, and the main body mechanism 1 further comprises a spring adjustment component 104 and a return spring 105, wherein the spring adjustment component 104 is fixedly installed at the front end of the mounting block 102, and the return spring 105 is movably connected to the spring adjustment component Inside 104, the spring adjustment assembly 104 includes an adjustment block 1041 and an adjustment hole 1042. The adjustment block 1041 is fixedly mounted on the front end of the mounting block 102, and the adjustment hole 1042 is fixedly arranged at the upper end of the adjustment block 1041. A plurality of adjustment holes 1042 are arranged on the adjustment block 1041. The user can insert the two ends of the return spring 105 into the adjustment holes 1042 at a suitable distance according to the specific usage situation, so as to adjust the elastic coefficient of the return spring 105. During specific use, the return spring 105 will be pulled open after the truck compartment door is opened, and the return spring 105 will be reset when the force applied to the truck compartment door disappears, so that the truck compartment door is automatically closed.

[0026] The fixing mechanism 2 includes a fixing ear 201, a fixing hole 202, a bolt gasket 203 and a fastening bolt 204. The fixing ear 201 is fixedly installed on the outer end of the mounting block 102, the fixing hole 202 is fixedly arranged at the front end of the fixing ear 201, the bolt gasket 203 is movably connected to the front end of the fixing hole 202, and the fastening bolt 204 is movably connected to the front end of the bolt gasket 203. First, the fixing ear 201 is installed at the truck door by connecting the fixing hole 202, the bolt gasket 203 and the fastening bolt 204 to each other, so as to fix the spring hinge.

[0027] The lubrication mechanism 3 includes a storage box 301, an oil filling port 302 and an oil dripping tube 303. The storage box 301 is fixedly mounted on the upper end of the mounting block 103, the oil filling port 302 is fixedly arranged on the upper end of the storage box 301, the oil dripping tube 303 is fixedly mounted on the lower end of the storage box 301, and the oil dripping tube 303 is located above the hinge shaft 101. Lubricating oil is added to the storage box 301 through the oil filling port 302, and the lubricating oil can be dripped onto the hinge shaft 101 through the oil dripping tube 303, so that the hinge shaft 101 can rotate more smoothly.

[0028] Working principle: First, the fixing ear 201 is installed on the truck door through the interconnection between the fixing hole 202, the bolt gasket 203 and the fastening bolt 204, so as to fix the spring hinge. A number of adjustment holes 1042 are provided on the adjustment block 1041. The user can fix the two ends of the return spring 105 in the adjustment holes 1042 at a suitable distance according to the specific usage, so as to adjust the elastic coefficient of the return spring 105. During specific use, the return spring 105 will be pulled open after the truck door is opened, and the return spring 105 will be reset when the force applied to the truck door disappears, so that the truck door is automatically closed. Lubricating oil is added to the storage box 301 through the oil filling port 302, and the lubricating oil can be dripped on the hinge shaft 101 through the oil drip tube 303, so that the hinge shaft 101 can rotate more smoothly.

[0029] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A cold chain truck compartment door automatic closing spring hinge, comprising a main body mechanism (1), a fixing mechanism (2) and a lubricating mechanism (3), characterized in that: The fixing mechanism (2) is located at the outer end of the main mechanism (1), and the lubricating mechanism (3) is located at the upper end of the main mechanism (1). The main mechanism (1) comprises a hinge shaft (101), a mounting block 1 (102) and a mounting block 2 (103). The mounting block 1 (102) is movably connected to the right end of the hinge shaft (101), and the mounting block 2 (103) is movably connected to the left end of the hinge shaft (101). The main body mechanism (1) further comprises a spring adjustment component (104) and a return spring (105); the spring adjustment component (104) is fixedly mounted on the front end of the mounting block 1 (102); and the return spring (105) is movably connected inside the spring adjustment component (104).

2. The automatic closing spring hinge for a cold chain truck compartment door according to claim 1, characterized in that: The spring adjustment assembly (104) comprises an adjustment block (1041) and an adjustment hole (1042); the adjustment block (1041) is fixedly mounted on the front end of the first mounting block (102); and the adjustment hole (1042) is fixedly arranged on the upper end of the adjustment block (1041).

3. The automatic closing spring hinge for a cold chain truck compartment door according to claim 2, characterized in that: The fixing mechanism (2) comprises a fixing ear (201), a fixing hole (202), a bolt washer (203) and a fastening bolt (204); the fixing ear (201) is fixedly mounted on the outer end of the mounting block (102); and the fixing hole (202) is fixedly arranged at the front end of the fixing ear (201).

4. The automatic closing spring hinge for a cold chain truck compartment door according to claim 3, characterized in that: The bolt washer (203) is movably connected to the front end of the fixing hole (202), and the fastening bolt (204) is movably connected to the front end of the bolt washer (203).

5. The automatic closing spring hinge for a cold chain truck compartment door according to claim 4, characterized in that: The lubricating mechanism (3) comprises a storage box (301), an oil filling port (302) and an oil dripping pipe (303); the storage box (301) is fixedly mounted on the upper end of the second mounting block (103).

6. The automatic closing spring hinge for a cold chain truck compartment door according to claim 5, characterized in that: The oil filling port (302) is fixedly arranged at the upper end of the storage box (301), and the oil dripping tube (303) is fixedly installed at the lower end of the storage box (301), and the oil dripping tube (303) is located above the hinge shaft (101).

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