A circulating immersion liquid cooling cabinet

Abstract

The present invention relates to a recyclable immersion liquid cooling cabinet, belonging to the technical field of immersion liquid cooling cabinets, comprising an immersion liquid cooling cabinet body, the bottom surface of the immersion liquid cooling cabinet body is fixedly connected with an installation bin, a placement rack is placed inside the immersion liquid cooling cabinet body, a water pump is fixedly installed on the inner bottom wall of the installation bin, two placement slots are provided inside the immersion liquid cooling cabinet body, and a condenser is fixedly installed inside the water pump. The recyclable immersion liquid cooling cabinet places the coolant through the placement slots on both sides of the immersion liquid cooling cabinet body, and then discharges the liquid under the action of a nozzle and mixes it with the liquid inside the immersion liquid cooling cabinet body, so that the temperature of the liquid is uniform, the cooling effect is improved, and the coolant is recycled under the action of the water pump and the condenser, so as to reduce the use cost.

Description

Technical Field

[0001] The invention relates to the technical field of immersion liquid cooling cabinets, in particular to a circulatory immersion liquid cooling cabinet. Background Art

[0002] Immersed liquid cooling cabinets achieve circulating heat dissipation by directly immersing heat-generating electronic components in a chassis filled with non-conductive inert fluid media. Immersed liquid cooling cabinets are widely used in data centers, high-performance computing centers and other places that require efficient heat dissipation. They have the advantages of high energy efficiency, high density and low noise, and can significantly reduce the energy consumption and operating costs of data centers.

[0003] Chinese patent CN115955824A discloses an immersion liquid cooling cabinet, which discloses a technical solution for reducing the amount of liquid used and reducing costs. It solves the problem that the existing immersion liquid cooling cabinet will cause liquid loss after each maintenance operation, and the liquid cost is very high, which will cause great losses. Due to the reduction of liquid, liquid needs to be replenished later to ensure that the temperature is not too high and the cost is high.

[0004] When the device is in use, the amount of liquid used and the cost can be reduced by setting up the gas storage member. However, most immersion liquid cooling cabinets cool the liquid through refrigeration pipes, which can easily lead to inconsistent liquid temperature inside the immersion liquid cooling cabinet, reduce the cooling effect, and make it inconvenient to remove the placed electrical components, reducing the use effect. Therefore, a recyclable immersion liquid cooling cabinet is proposed to solve the above problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a recyclable immersion liquid cooling cabinet, which has the advantages of convenient removal and improved cooling effect. It solves the problem that when the device is in use, the amount of liquid used can be reduced and the cost can be reduced by setting a gas storage member. However, most immersion liquid cooling cabinets cool the liquid through refrigeration pipes, which can easily lead to inconsistent liquid temperature inside the immersion liquid cooling cabinet, reduce the cooling effect, and it is inconvenient to remove the placed electrical components, thereby reducing the use effect.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a recyclable immersion liquid cooling cabinet, comprising an immersion liquid cooling cabinet body, the bottom surface of the immersion liquid cooling cabinet body is fixedly connected to an installation bin, a placement rack is placed inside the immersion liquid cooling cabinet body, a water pump is fixedly installed on the inner bottom wall of the installation bin, and two placement slots are opened inside the immersion liquid cooling cabinet body.

[0007] A condenser is fixedly installed inside the water pump, a water inlet pipe with one end penetrating the installation bin and extending to the inside of the immersion liquid cooling cabinet is fixedly installed at the water inlet end of the water pump, a water outlet pipe is fixedly installed at the water outlet end of the water pump, the end of the water outlet pipe away from the water pump is fixedly installed on the input end of the condenser, a mounting pipe is fixedly installed at the output end of the condenser, a tee is fixedly installed on the outer peripheral wall of the mounting pipe, two connecting pipes with one end penetrating the installation bin and the immersion liquid cooling cabinet and extending to the inside of two placement grooves respectively are fixedly connected inside the tee, a plurality of nozzles are fixedly installed on the left inner wall and the right inner wall of the immersion liquid cooling cabinet, a temperature monitor is fixedly installed on the left side of the immersion liquid cooling cabinet, and the sensing end of the temperature monitor extends to the inside of the immersion liquid cooling cabinet.

[0008] The immersion liquid cooling cabinet body is provided with a supporting assembly for limiting the placement rack.

[0009] The immersion liquid cooling cabinet body is provided with a driving component for driving the placement rack to move.

[0010] Furthermore, the installation bin is in the shape of a rectangular parallelepiped with a hollow interior, and the water inlet pipe is fixedly connected to the installation bin and the immersion liquid cooling cabinet body in sequence.

[0011] Furthermore, the plurality of nozzles located on the same side are linearly and equidistantly distributed from top to bottom, and the immersion liquid cooling cabinet body and the installation bin are both fixedly connected to the installation pipe.

[0012] Furthermore, the support assembly includes two placement seats, and the two placement seats are fixedly connected to the inner bottom wall of the immersion liquid cooling cabinet body. The placement rack and the placement seat are fitted together, and the top surface of the placement rack is fixedly connected with two connecting rods. A cover plate is placed on the top surface of the immersion liquid cooling cabinet body, and the two connecting plates are fixedly connected to the cover plate. A sealing ring is fixedly connected to the bottom surface of the cover plate. A sealing groove is provided on the top surface of the immersion liquid cooling cabinet body, and the sealing ring extends to the inside of the sealing groove. The outer peripheral wall and the inner peripheral wall of the sealing ring are fixedly connected with a rubber ring, and the left and right sides of the installation bin are provided with heat dissipation grooves, and exhaust fans are fixedly installed on the left and right sides of the installation bin.

[0013] Furthermore, the sealing ring is a rectangular ring, the sealing groove is a rectangular groove, and the two rubber rings are both fitted with the sealing groove.

[0014] Furthermore, the two heat dissipation slots are respectively covered by two exhaust fans, and the water inlet pipe is located between the two placement blocks.

[0015] Furthermore, the driving assembly includes a fixed frame, which is fixedly connected to the back side of the immersion liquid cooling cabinet body, a driving motor is fixedly installed on the inner bottom wall of the fixed frame, a sliding groove is provided on the inner wall of the back side of the fixed frame, a sliding plate with one end extending to the inside of the sliding groove is placed inside the fixed frame, a linkage groove is provided on the top surface of the fixed frame, a linkage plate with one end penetrating the linkage groove and extending to the inside of the fixed frame is fixedly connected to the back side of the cover plate, the linkage plate and the sliding plate are fixedly connected, and the output end of the driving motor is fixedly connected to a screw with one end penetrating the sliding plate and extending to the inner top wall of the fixed frame.

[0016] Furthermore, the fixing frame is a U-shaped frame, and the bottom of the fixing frame is fixedly connected to the installation bin.

[0017] Furthermore, the sliding plate and the sliding groove are slidably connected, the linkage plate is an L-shaped plate, and the linkage plate and the linkage groove are slidably connected.

[0018] Furthermore, the screw is rotatably connected to the fixing frame via a bearing, a threaded hole is provided on the top surface of the sliding plate, and the screw passes through the threaded hole and is threadedly connected thereto.

[0019] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0020] 1. The recyclable immersion liquid cooling cabinet places the coolant through the placement grooves on both sides of the cabinet body of the immersion liquid cooling cabinet, and then discharges the liquid through the action of the nozzle and mixes it with the liquid inside the cabinet body of the immersion liquid cooling cabinet to make the temperature of the liquid uniform, improve the cooling effect, and recycle the coolant through the action of the water pump and the condenser to reduce the use cost;

[0021] 2. The recyclable immersion liquid cooling cabinet limits the cover plate through the cooperation between the sealing ring and the sealing groove, and then limits the placement rack, thereby improving the stability of the placement rack. The placement rack is driven to move through the threaded connection between the screw and the sliding plate, and the placement rack is conveniently taken out, which is convenient for the staff to operate and is more convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 for Figure 1 A is a magnified schematic diagram of the structure;

[0024] Figure 3 It is a schematic diagram of the right side of the internal structure of the fixing frame in the structure of the present invention;

[0025] Figure 4 for Figure 3A schematic diagram of the structure of B in the middle;

[0026] Figure 5 It is a top view schematic diagram of the fixing frame in the structure of the present invention.

[0027] In the figure: 1 immersion liquid cooling cabinet body, 2 placement slot, 3 connecting pipe, 4 nozzle, 5 cover plate, 6 connecting rod, 7 placement rack, 8 placement seat, 9 temperature monitor, 10 tee, 11 exhaust fan, 12 heat dissipation slot, 13 condenser, 14 installation pipe, 15 water outlet pipe, 16 water pump, 17 water inlet pipe, 18 installation bin, 19 rubber ring, 20 sealing ring, 21 sealing slot, 22 linkage plate, 23 drive motor, 24 sliding plate, 25 sliding slot, 26 screw, 27 fixing rack, 28 linkage slot. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figures 1 to 5 A recyclable immersion liquid cooling cabinet in this embodiment includes an immersion liquid cooling cabinet body 1, a mounting bin 18 is fixedly connected to the bottom surface of the immersion liquid cooling cabinet body 1, a placement rack 7 is placed inside the immersion liquid cooling cabinet body 1, a water pump 16 is fixedly installed on the inner bottom wall of the mounting bin 18, and two placement slots 2 are opened inside the immersion liquid cooling cabinet body 1.

[0030] A condenser 13 is fixedly installed inside the water pump 16, and a water inlet pipe 17 with one end penetrating the installation bin 18 and extending to the inside of the immersion liquid cooling cabinet body 1 is fixedly installed at the water inlet end of the water pump 16. A water outlet pipe 15 is fixedly installed at the water outlet end of the water pump 16, and one end of the water outlet pipe 15 away from the water pump 16 is fixedly installed on the input end of the condenser 13, and a mounting pipe 14 is fixedly installed at the output end of the condenser 13. A tee 10 is fixedly installed on the outer peripheral wall of the mounting pipe 14, and two connecting pipes 3 are fixedly connected inside the tee 10, and one end of which penetrates the installation bin 18 and the immersion liquid cooling cabinet body 1 and extends to the inside of the two placement grooves 2 respectively. A plurality of nozzles 4 are fixedly installed on the left inner wall and the right inner wall of the immersion liquid cooling cabinet body 1, and a temperature monitor 9 is fixedly installed on the left side of the immersion liquid cooling cabinet body 1, and the sensing end of the temperature monitor 9 extends to the inside of the immersion liquid cooling cabinet body 1.

[0031] Among them, the installation bin 18 is shaped like a hollow rectangular block, the water inlet pipe 17 is fixedly connected to the installation bin 18 and the immersion liquid cooling cabinet body 1 in turn, and multiple nozzles 4 located on the same side are linearly and equidistantly distributed from top to bottom. The immersion liquid cooling cabinet body 1 and the installation bin 18 are both fixedly connected to the installation pipe 14.

[0032] It should be noted that the nozzle 4, the temperature monitor 9, the condenser 13 and the water pump 16 are conventional devices known to the public in the prior art, and their specific structures and working principles are not described in detail herein.

[0033] Specifically, the coolant is poured into the interior of the immersion liquid cooling cabinet body 1, and the coolant inside the immersion liquid cooling cabinet body 1 cools the electronic components. The temperature of the coolant is monitored by the temperature monitor 9. When the temperature of the coolant is too high, the water pump 16 and the condenser 13 are started, and the water pump 16 pumps the liquid through the water inlet pipe 17, and then the liquid enters the interior of the condenser 13 through the water outlet pipe 15. Under the action of the condenser 13, the liquid is cooled, and then it enters the interior of the placement tank 2 through the installation pipe 14, the tee 10 and the connecting pipe 3. Then, under the action of the nozzle 4, the liquid is discharged, the coolant is recycled, and the components inside the immersion liquid cooling cabinet body 1 are continuously cooled.

[0034] In this embodiment, a support assembly is provided on the cabinet body 1 of the immersion liquid cooling cabinet, and the support assembly includes two placement seats 8, and the two placement seats 8 are fixedly connected to the inner bottom wall of the immersion liquid cooling cabinet body 1. The placement frame 7 and the placement seat 8 are fitted together, and the top surface of the placement frame 7 is fixedly connected with two connecting rods 6. A cover plate 5 is placed on the top surface of the immersion liquid cooling cabinet body 1, and the two connecting plates 6 are fixedly connected to the cover plate 5. A sealing ring 20 is fixedly connected to the bottom surface of the cover plate 5. A sealing groove 21 is opened on the top surface of the immersion liquid cooling cabinet body 1, and the sealing ring 20 extends to the inside of the sealing groove 21. The outer peripheral wall and the inner peripheral wall of the sealing ring 20 are fixedly connected with a rubber ring 19. The left and right sides of the installation bin 18 are opened with heat dissipation grooves 12, and the left and right sides of the installation bin 18 are fixedly installed with exhaust fans 11.

[0035] Among them, the sealing ring 20 is a rectangular ring, the sealing groove 21 is a rectangular groove, the two rubber rings 19 are both in contact with the sealing groove 21, the two heat dissipation grooves 12 are respectively covered by the two exhaust fans 11, and the water inlet pipe 17 is located between the two placement blocks 8.

[0036] It should be noted that the exhaust fan 11 is a conventional device known to the public in the prior art, and its specific structure and working principle will not be described in detail herein.

[0037] Specifically, the cover plate 5 is fitted with the cabinet body 1 of the immersion liquid cooling cabinet, and the sealing ring 20 is inserted into the inside of the sealing groove 21 to restrict the cover plate 5. The sealing groove 21 is sealed by the action of the rubber ring 19. The coolant inside the cabinet body 1 of the immersion liquid cooling cabinet cools the electronic components, and then the electronic components are fixed on the placement rack 7. The placement rack 7 and the placement seat 8 are fitted, and the placement seat 8 supports the placement rack 7 to improve the stability of the placement rack 7. The exhaust fan 11 is started, and the pump 11 draws the air inside the installation bin 18 through the heat dissipation groove 12 to dissipate heat to the installation bin 18.

[0038] In this embodiment, a driving component is provided on the cabinet body 1 of the immersion liquid cooling cabinet, and the driving component includes a fixed frame 27, which is fixedly connected to the back of the immersion liquid cooling cabinet cabinet body 1, and a driving motor 23 is fixedly installed on the inner bottom wall of the fixed frame 27. A sliding groove 25 is provided on the inner wall of the back of the fixed frame 27, and a sliding plate 24 with one end extending to the inside of the sliding groove 25 is placed inside the fixed frame 27. A linkage groove 28 is provided on the top surface of the fixed frame 27, and a linkage plate 22 with one end penetrating the linkage groove 28 and extending to the inside of the fixed frame 27 is fixedly connected to the back of the cover plate 5. The linkage plate 22 and the sliding plate 24 are fixedly connected, and the output end of the driving motor 23 is fixedly connected to a screw 26 with one end penetrating the sliding plate 24 and extending to the inner top wall of the fixed frame 27.

[0039] Among them, the fixed frame 27 is a U-shaped frame, the bottom of the fixed frame 27 is fixedly connected to the installation bin 18, the sliding plate 24 is slidably connected to the sliding groove 25, the linkage plate 22 is an L-shaped plate, the linkage plate 22 is slidably connected to the linkage groove 28, the screw 26 is rotatably connected to the fixed frame 27 through a bearing, and a threaded hole is opened on the top surface of the sliding plate 24, and the screw 26 passes through the threaded hole and is threadedly connected thereto.

[0040] Specifically, the drive motor 23 is started, and the output end of the drive motor 23 drives the screw 26 to rotate. Through the threaded connection between the screw 26 and the sliding plate 24 and the sliding connection between the sliding plate 24 and the sliding groove 25, the screw 26 drives the sliding plate 24 to move downward. The sliding plate 24 drives the cover plate 5 to move downward through the linkage plate 22, so that the placement rack 7 is located inside the immersion liquid cooling cabinet body 1. Through the sliding connection between the linkage plate 22 and the linkage groove 28, the linkage plate 22 is supported to improve the stability of the linkage plate 22.

[0041] The working principle of the above embodiment is:

[0042] The coolant is poured into the interior of the immersion liquid cooling cabinet body 1, and then the electronic components are fixed on the placement rack 7, and the driving motor 23 is started. The output end of the driving motor 23 drives the screw 26 to rotate, and the screw 26 drives the sliding plate 24 to move downward through the threaded connection between the screw 26 and the sliding plate 24 and the sliding connection between the sliding plate 24 and the sliding groove 25. The sliding plate 24 drives the cover plate 5 to move downward through the linkage plate 22, so that the placement rack 7 is located inside the immersion liquid cooling cabinet body 1, and the linkage plate 22 is supported by the sliding connection between the linkage plate 22 and the linkage groove 28 to improve the stability of the linkage plate 22. The cover plate 5 and the immersion liquid cooling cabinet body 1 are fitted, and the sealing ring 20 is inserted into the interior of the sealing groove 21 to restrict the cover plate 5. The sealing groove 21 is sealed by the action of the rubber ring 19, and the immersion The coolant inside the immersion liquid cooling cabinet body 1 cools the electronic components. The temperature of the coolant is monitored by the temperature monitor 9. When the temperature of the coolant is too high, the water pump 16 and the condenser 13 are started. The water pump 16 pumps the liquid through the water inlet pipe 17, and then the liquid enters the condenser 13 through the water outlet pipe 15. The liquid is cooled by the condenser 13, and then enters the placement tank 2 through the installation pipe 14, the tee 10 and the connecting pipe 3. The liquid is discharged by the nozzle 4, and the coolant is recycled. The components inside the immersion liquid cooling cabinet body 1 are continuously cooled. The exhaust fan 11 is started, and the water pump 11 pumps the air inside the installation bin 18 through the heat dissipation slot 12 to dissipate heat from the installation bin 18.

[0043] The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circulating immersion liquid cooling cabinet, comprising an immersion liquid cooling cabinet body (1), characterized in that: The bottom surface of the immersion liquid cooling cabinet body (1) is fixedly connected to a mounting bin (18), a placement rack (7) is placed inside the immersion liquid cooling cabinet body (1), a water pump (16) is fixedly installed on the inner bottom wall of the mounting bin (18), and two placement slots (2) are provided inside the immersion liquid cooling cabinet body (1); A condenser (13) is fixedly installed inside the water pump (16); a water inlet pipe (17) having one end penetrating through the installation bin (18) and extending to the inside of the immersion liquid cooling cabinet (1) is fixedly installed at the water inlet end of the water pump (16); a water outlet pipe (15) is fixedly installed at the water outlet end of the water pump (16); an end of the water outlet pipe (15) away from the water pump (16) is fixedly installed on the input end of the condenser (13); a mounting pipe (14) is fixedly installed at the output end of the condenser (13); and an outer peripheral wall of the mounting pipe (14) is fixedly installed. A tee (10) is installed, and two connecting pipes (3) are fixedly connected inside the tee (10), and one end of the connecting pipes passes through the installation chamber (18) and the immersion liquid cooling cabinet body (1) and extends to the inside of the two placement grooves (2) respectively. A plurality of nozzles (4) are fixedly installed on the left inner wall and the right inner wall of the immersion liquid cooling cabinet body (1). A temperature monitor (9) is fixedly installed on the left side of the immersion liquid cooling cabinet body (1), and the sensing end of the temperature monitor (9) extends to the inside of the immersion liquid cooling cabinet body (1); The immersion liquid cooling cabinet body (1) is provided with a support component, and the immersion liquid cooling cabinet body (1) is provided with a drive component.

2. A recyclable immersion liquid cooling cabinet according to claim 1, characterized in that: The installation bin (18) is in the shape of a rectangular parallelepiped with a hollow interior, and the water inlet pipe (17) is fixedly connected to the installation bin (18) and the immersion liquid cooling cabinet body (1) in sequence.

3. The circulatory immersion liquid cooling cabinet according to claim 2, characterized in that: The plurality of nozzles (4) located on the same side are linearly and equidistantly distributed from top to bottom, and the immersion liquid cooling cabinet body (1) and the installation bin (18) are both fixedly connected to the installation pipe (14).

4. The circulatory immersion liquid cooling cabinet according to claim 1, characterized in that: The support assembly comprises two placement seats (8), the two placement seats (8) are fixedly connected to the inner bottom wall of the immersion liquid cooling cabinet body (1), the placement rack (7) and the placement seat (8) are fitted, the top surface of the placement rack (7) is fixedly connected to two connecting rods (6), the top surface of the immersion liquid cooling cabinet body (1) is placed with a cover plate (5), the two connecting plates (6) are fixedly connected to the cover plate (5), and the cover plate (5) A sealing ring (20) is fixedly connected to the bottom surface of the immersion liquid cooling cabinet (1); a sealing groove (21) is provided on the top surface of the immersion liquid cooling cabinet body (1); the sealing ring (20) extends to the inside of the sealing groove (21); the outer peripheral wall and the inner peripheral wall of the sealing ring (20) are fixedly connected to a rubber ring (19); the left side and the right side of the installation bin (18) are both provided with a heat dissipation groove (12); and the left side and the right side of the installation bin (18) are both fixedly installed with an exhaust fan (11).

5. The circulatory immersion liquid cooling cabinet according to claim 4, characterized in that: The sealing ring (20) is a rectangular ring, the sealing groove (21) is a rectangular groove, and the two rubber rings (19) are both fitted with the sealing groove (21).

6. The circulatory immersion liquid cooling cabinet according to claim 5, characterized in that: The two heat dissipation slots (12) are respectively covered by two exhaust fans (11), and the water inlet pipe (17) is located between the two placement blocks (8).

7. The circulatory immersion liquid cooling cabinet according to claim 4, characterized in that: The driving assembly comprises a fixing frame (27), wherein the fixing frame (27) is fixedly connected to the back side of the immersion liquid cooling cabinet body (1), a driving motor (23) is fixedly mounted on the inner bottom wall of the fixing frame (27), a sliding groove (25) is provided on the inner wall of the back side of the fixing frame (27), a sliding plate (24) having one end extending into the sliding groove (25) is placed inside the fixing frame (27), a linkage groove (28) is provided on the top surface of the fixing frame (27), a linkage plate (22) having one end penetrating the linkage groove (28) and extending into the fixing frame (27) is fixedly connected to the back side of the cover plate (5), the linkage plate (22) and the sliding plate (24) are fixedly connected, and an output end of the driving motor (23) is fixedly connected to a screw rod (26) having one end penetrating the sliding plate (24) and extending to the inner top wall of the fixing frame (27).

8. The circulatory immersion liquid cooling cabinet according to claim 7, characterized in that: The fixing frame (27) is a U-shaped frame, and the bottom of the fixing frame (27) is fixedly connected to the installation bin (18).

9. The circulatory immersion liquid cooling cabinet according to claim 8, characterized in that: The sliding plate (24) and the sliding groove (25) are slidably connected, the linkage plate (22) is an L-shaped plate, and the linkage plate (22) and the linkage groove (28) are slidably connected.

10. The circulatory immersion liquid cooling cabinet according to claim 9, characterized in that: The screw rod (26) is rotatably connected to the fixing frame (27) via a bearing, a threaded hole is provided on the top surface of the sliding plate (24), and the screw rod (26) passes through the threaded hole and is threadedly connected thereto.

Images