Hydraulic coupler with good temperature control effect

Abstract

The utility model provides a hydraulic coupler with a good temperature control effect, which relates to the technical field of couplings and comprises a pump wheel shell, a driving shaft is arranged at the center of the pump wheel shell, and the driving shaft is rotatably connected with the pump wheel shell through a bearing; a threaded sleeve is arranged on the driving shaft and located on the rear side of the pump wheel shell. The floating net rack can be driven to be adjusted front and back in the rear auxiliary cavity through meshing transmission of the reciprocating lead screw and the convex shaft and mutual cooperation of the limiting sliding block and the limiting sliding groove, then the fluidity of circulating oil in the rear auxiliary cavity can be effectively improved, and the better temperature control effect is achieved. The problems that when an existing hydraulic coupler is used, in the long-time running process of a driving shaft, resonance is likely to be generated between the driving shaft and a driven shaft, the running stability of the driving shaft is reduced, flowing heat dissipation of internal hydraulic oil is not smooth, the oil temperature is too high, and the heat dissipation effect of the hydraulic coupler is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of couplings, in particular to a hydraulic coupling with good temperature control effect. Background Art

[0002] A hydraulic coupling is a hydraulic transmission device that uses the kinetic energy of a liquid for energy transfer. It uses liquid oil as the working medium, and converts mechanical energy and the kinetic energy of the liquid into each other through a pump impeller and a turbine, so as to connect the prime mover and the working machine to achieve power transmission.

[0003] When the existing hydraulic coupling is in use, during the long-term operation of the driving shaft, resonance is likely to occur with the connection structure of the driven shaft, reducing the running stability of the driving shaft. Moreover, the flow and heat dissipation of the internal hydraulic oil are not smooth, which will cause the oil temperature to be too high and affect the heat dissipation effect of the hydraulic coupling. Summary of the Utility Model

[0004] The embodiments of the present disclosure relate to a hydraulic coupling with good temperature control effect. By using the meshing transmission of a reciprocating lead screw and a convex shaft, and through the mutual cooperation of a limit slider and a limit chute, the floating grid can be driven to adjust back and forth in the rear auxiliary cavity, thereby effectively improving the fluidity of the circulating oil in the rear auxiliary cavity and achieving a better temperature control effect.

[0005] In the first aspect of the present disclosure, a hydraulic coupling with good temperature control effect is provided, specifically including: a pump impeller housing, a driving shaft is provided at the central position of the pump impeller housing, and the driving shaft is rotatably connected to the pump impeller housing through a bearing; a threaded sleeve is provided on the driving shaft, and the threaded sleeve is located at the rear side of the pump impeller housing; a locking ring is provided on the threaded sleeve; a turbine housing is provided at the front end of the pump impeller housing; a turbine is provided inside the turbine housing; a pump impeller is provided inside the pump impeller housing; a fixed ring frame is provided at the rear side of the pump impeller; a floating grid is provided on the fixed ring frame.

[0006] In at least some embodiments, a rear auxiliary cavity is provided at the rear of the pump impeller housing, and the fixed ring frame is fixedly installed in the rear auxiliary cavity. A driven section is provided at the rear of the rear auxiliary cavity, and a connecting piece is provided at the rear of the driven section. The connecting piece is matched with the locking ring. The connecting piece is provided with an installation groove, and the installation groove is distributed in a circular array manner. Elastic buckles are provided in the installation grooves on the left and right sides, and the two elastic buckles are symmetrically distributed.

[0007] In at least some embodiments, a threaded rod is provided on the driving shaft, and the threaded sleeve is slidably connected to the threaded rod by means of threads. A spline shaft is provided at the front end of the driving shaft, and a reciprocating lead screw is provided on the driving shaft, and the reciprocating lead screw is located between the threaded rod and the spline shaft.

[0008] In at least some embodiments, a rotating ring is rotatably mounted on the threaded sleeve. There are four limiting sliding rods provided on the front side of the rotating ring, and the four limiting sliding rods are distributed in an annular array. A connecting circular plate is provided at the front end of the limiting sliding rod, and a tension spring is sleeved on the limiting sliding rod.

[0009] In at least some embodiments, connecting slots are formed in the locking ring, and the connecting slots are distributed in an annular array. Two limiting card slots are formed in the locking ring, and the two limiting card slots are symmetrically distributed. Four supporting plates are provided on the inner peripheral surface of the locking ring, and the four supporting plates are distributed in an annular array. The connecting member is slidably inserted into the connecting slot, and the elastic buckle is engaged with the rectangular bayonet of the limiting card slot. Moreover, the limiting sliding rod slidably penetrates through the supporting plate, and both ends of the tension spring are respectively connected to the supporting plate and the connecting circular plate.

[0010] In at least some embodiments, a bearing sleeve is provided at the central position of the turbine. A spline sleeve is provided at the rear of the bearing sleeve, and the spline shaft is slidably inserted into the spline sleeve. A driven shaft is provided at the front of the bearing sleeve.

[0011] In at least some embodiments, a bearing ring is provided at the central position of the fixed ring frame. Connecting frames are provided on the left and right sides of the fixed ring frame, and the two connecting frames are symmetrically distributed. Limiting sliders are provided on the relatively inner sides of the two connecting frames.

[0012] In at least some embodiments, a connecting sleeve is provided at the central position of the floating wire frame. Two convex shafts are provided on the inner peripheral surface of the connecting sleeve, and the two convex shafts are symmetrically distributed. Two limiting sliding grooves are provided on the outer peripheral surface of the floating wire frame, and the two limiting sliding grooves are symmetrically distributed. The connecting sleeve is sleeved on the reciprocating lead screw, and the convex shaft is meshed and connected with the reciprocating lead screw. Moreover, the floating wire frame is slidably connected to the limiting slider through the limiting sliding groove.

[0013] The present utility model provides a hydraulic coupler with good temperature control effect, and has the following beneficial effects:

[0014] In the present utility model, a threaded sleeve and a locking ring are provided. By slidably inserting the connecting member into the connecting slot, and at the same time, the limiting sliding rod and the supporting plate cooperate with each other, and by utilizing the rebounding pulling effect of the tension spring, buffering can be carried out during the rotation of the driving shaft, avoiding resonance between the driving shaft and the spline sleeve, and ensuring that the driving shaft runs more smoothly.

[0015] In addition, when the driving shaft is continuously rotating, by utilizing the meshing transmission of the reciprocating lead screw and the convex shaft, and through the cooperation of the limiting slider and the limiting sliding groove, the floating wire frame can be driven to adjust back and forth in the rear auxiliary cavity, thereby effectively improving the fluidity of the circulating oil in the rear auxiliary cavity and achieving a better temperature control effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0017] The accompanying drawings in the following description only relate to some embodiments of the present utility model and do not limit the present utility model.

[0018] In the accompanying drawings:

[0019] Figure 1 A schematic structural diagram of the overall axonometric perspective of the present application is shown;

[0020] Figure 2 The Figure 1 exploded state structural diagram of the present application is shown;

[0021] Figure 3 A schematic structural diagram of the pump wheel housing of the present application is shown;

[0022] Figure 4 A schematic structural diagram of the exploded state of the threaded sleeve and the locking ring of the present application is shown;

[0023] Figure 5 A schematic structural diagram of the cross-sectional perspective of the pump wheel housing of the present application is shown;

[0024] Figure 6 A schematic structural diagram of the exploded state of the fixed ring frame and the floating wire frame of the present application is shown.

[0025] List of reference numerals:

[0026] 1. Pump wheel housing; 101. Rear auxiliary cavity; 102. Driven section; 103. Connecting piece; 104. Installation groove; 105. Elastic buckle; 2. Driving shaft; 201. Threaded rod; 202. Spline shaft; 203. Reciprocating lead screw; 3. Threaded sleeve; 301. Rotating ring; 302. Limit slide bar; 303. Connecting circular plate; 304. Tensile spring; 4. Locking ring; 401. Connecting slot; 402. Limit card slot; 403. Support plate; 5. Turbine housing; 6. Turbine; 601. Bearing sleeve; 602. Spline sleeve; 603. Driven shaft; 7. Pump wheel; 8. Fixed ring frame; 801. Bearing ring; 802. Connecting frame; 803. Limit slider; 9. Floating wire frame; 901. Connecting sleeve; 902. Convex shaft; 903. Limit chute. Detailed implementation manners

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0028] Example 1: Please refer to Figures 1 to 6 :

[0029] The present utility model provides a hydraulic coupler with good temperature control effect, including: a pump wheel housing 1, a driving shaft 2 is arranged at the center of the pump wheel housing 1, and the driving shaft 2 is rotationally connected to the pump wheel housing 1 through a bearing; a threaded sleeve 3 is arranged on the driving shaft 2, and the threaded sleeve 3 is located at the rear side of the pump wheel housing 1; a locking ring 4 is arranged on the threaded sleeve 3; a turbine housing 5 is arranged at the front end of the pump wheel housing 1; a turbine 6 is arranged inside the turbine housing 5; a pump wheel 7 is arranged inside the pump wheel housing 1; a fixed ring frame 8 is arranged at the rear side of the pump wheel 7; a floating wire frame 9 is arranged on the fixed ring frame 8;

[0030] A bearing sleeve 601 is arranged at the center of the turbine 6, a spline sleeve 602 is arranged at the rear part of the bearing sleeve 601, and a spline shaft 202 is slidably inserted into the spline sleeve 602, and a driven shaft 603 is arranged at the front part of the bearing sleeve 601.

[0031] In the embodiment of the present disclosure, as Figure 3 and Figure 4 shown, a rear auxiliary cavity 101 is arranged at the rear part of the pump wheel housing 1, and the fixed ring frame 8 is fixedly installed in the rear auxiliary cavity 101. A driven section 102 is arranged at the rear part of the rear auxiliary cavity 101, a connecting piece 103 is arranged at the rear part of the driven section 102, and the connecting piece 103 is matched with the locking ring 4. The connecting piece 103 is provided with an installation groove 104, and the installation grooves 104 are distributed in a circular array. Elastic buckles 105 are arranged in the installation grooves 104 on the left and right sides, and the two elastic buckles 105 are distributed symmetrically;

[0032] A threaded rod 201 is arranged on the driving shaft 2, and the threaded sleeve 3 is slidably connected to the threaded rod 201 by means of threads. A spline shaft 202 is arranged at the front end of the driving shaft 2, and a reciprocating lead screw 203 is arranged on the driving shaft 2, and the reciprocating lead screw 203 is located between the threaded rod 201 and the spline shaft 202;

[0033] A rotating ring 301 is rotatably installed on the threaded sleeve 3. Four limiting slide rods 302 are arranged at the front side of the rotating ring 301, and the four limiting slide rods 302 are distributed in a circular array. A connecting circular plate 303 is arranged at the front end of the limiting slide rod 302, and a tension spring 304 is sleeved on the limiting slide rod 302;

[0034] The locking ring 4 is provided with connecting slots 401, and the connecting slots 401 are distributed in an annular array. The locking ring 4 is provided with two limiting slots 402, and the two limiting slots 402 are symmetrically distributed. The inner peripheral surface of the locking ring 4 is provided with four supporting plates 403, and the four supporting plates 403 are distributed in an annular array. The connecting member 103 is slidably inserted into the connecting slot 401, and the elastic buckle 105 is clamped with the rectangular bayonet of the limiting slot 402. And the limiting slide rod 302 slidably penetrates through the supporting plate 403, and both ends of the tension spring 304 are respectively connected with the supporting plate 403 and the connecting circular plate 303. The utility model is provided with a threaded sleeve 3 and a locking ring 4. By sliding the connecting member 103 into the connecting slot 401, and at the same time, the limiting slide rod 302 and the supporting plate 403 cooperate with each other, and by using the rebounding pulling effect of the tension spring 304, buffering can be carried out during the rotation of the driving shaft 2, and resonance between the driving shaft 2 and the spline sleeve 602 can be avoided.

[0035] Embodiment 2, on the basis of Embodiment 1, as Figure 5 and Figure 6 shown, a bearing ring 801 is provided at the central position of the fixed ring frame 8, and connecting frames 802 are provided on the left and right sides of the fixed ring frame 8, and the two connecting frames 802 are symmetrically distributed. Limiting sliders 803 are provided on the relatively inner sides of the two connecting frames 802;

[0036] A connecting sleeve 901 is provided at the central position of the floating grid 9. Two convex shafts 902 are provided on the inner peripheral surface of the connecting sleeve 901, and the two convex shafts 902 are symmetrically distributed. Two limiting chutes 903 are provided on the outer peripheral surface of the floating grid 9, and the two limiting chutes 903 are symmetrically distributed. The connecting sleeve 901 is sleeved on the reciprocating lead screw 203, and the convex shaft 902 is meshed with the reciprocating lead screw 203. And the floating grid 9 is slidably connected with the limiting slider 803 through the limiting chute 903. When the driving shaft 2 is continuously rotating, by using the meshing transmission of the reciprocating lead screw 203 and the convex shaft 902, and through the cooperation of the limiting slider 803 and the limiting chute 903, the floating grid 9 can be driven to adjust back and forth in the rear auxiliary cavity 101, thereby effectively improving the fluidity of the circulating oil in the rear auxiliary cavity 101.

[0037] The working principle of this embodiment: When in use, by sliding the connecting member 103 into the connecting slot 401, and at the same time, the limiting slide rod 302 and the supporting plate 403 cooperate with each other, and by using the rebounding pulling effect of the tension spring 304, buffering can be carried out during the rotation of the driving shaft 2, and resonance between the driving shaft 2 and the spline sleeve 602 can be avoided; when the driving shaft 2 is continuously rotating, by using the meshing transmission of the reciprocating lead screw 203 and the convex shaft 902, and through the cooperation of the limiting slider 803 and the limiting chute 903, the floating grid 9 can be driven to adjust back and forth in the rear auxiliary cavity 101, thereby effectively improving the fluidity of the circulating oil in the rear auxiliary cavity 101.

[0038] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A hydraulic coupler with good temperature control effect, characterized in that Including: A pump impeller housing, at the center of which there is a driving shaft, and the driving shaft is rotatably connected to the pump impeller housing through a bearing; a threaded sleeve is provided on the driving shaft, and the threaded sleeve is located at the rear side of the pump impeller housing; a locking ring is provided on the threaded sleeve; a turbine housing is provided at the front end of the pump impeller housing; a turbine is provided inside the turbine housing; a pump impeller is provided inside the pump impeller housing; a fixed ring frame is provided at the rear side of the pump impeller; a floating wire frame is provided on the fixed ring frame.

2. A hydraulic coupler with good temperature control effect according to claim 1, characterized in that A rear auxiliary cavity is provided at the rear of the pump impeller housing, and the fixed ring frame is fixedly installed in the rear auxiliary cavity. A driven section is provided at the rear of the rear auxiliary cavity, and a connecting piece is provided at the rear of the driven section. The connecting piece is matched with the locking ring. The connecting piece is provided with mounting grooves, and the mounting grooves are distributed in an annular array. Elastic buckles are provided in the mounting grooves on the left and right sides, and the two elastic buckles are distributed symmetrically.

3. A hydraulic coupler with good temperature control effect according to claim 1, characterized in that A threaded rod is provided on the driving shaft, and the threaded sleeve is slidably connected to the threaded rod by means of threads. A spline shaft is provided at the front end of the driving shaft, and a reciprocating lead screw is provided on the driving shaft, and the reciprocating lead screw is located between the threaded rod and the spline shaft.

4. A hydraulic coupler with good temperature control effect according to claim 1, characterized in that A rotating ring is rotatably installed on the threaded sleeve. Four limiting slide rods are provided at the front side of the rotating ring, and the four limiting slide rods are distributed in an annular array. A connecting circular plate is provided at the front end of the limiting slide rod, and a tension spring is sleeved on the limiting slide rod.

5. A hydraulic coupler with good temperature control effect according to claim 1, characterized in that Connecting slots are provided on the locking ring, and the connecting slots are distributed in an annular array. Two limiting card slots are provided on the locking ring, and the two limiting card slots are distributed symmetrically. Four supporting plates are provided on the inner circumferential surface of the locking ring, and the four supporting plates are distributed in an annular array. The connecting piece is slidably inserted into the connecting slot, and the elastic buckle is clamped with the rectangular bayonet of the limiting card slot. Moreover, the limiting slide rod slidably penetrates through the supporting plate, and both ends of the tension spring are respectively connected to the supporting plate and the connecting circular plate.

6. A hydraulic coupler with good temperature control effect according to claim 1, characterized in that A bearing sleeve is provided at the center of the turbine. A spline sleeve is provided at the rear of the bearing sleeve, and the spline shaft is slidably inserted into the spline sleeve. A driven shaft is provided at the front of the bearing sleeve.

7. A hydraulic coupler with good temperature control effect according to claim 1, characterized in that A bearing ring is provided at the center of the fixed ring frame. Connecting frames are provided on the left and right sides of the fixed ring frame, and the two connecting frames are distributed symmetrically. Limiting sliders are provided on the relative inner sides of the two connecting frames.

8. A hydraulic coupler with good temperature control effect according to claim 1, characterized in that A connecting sleeve is provided at the central position of the floating grid frame. Two convex shafts are provided on the inner peripheral surface of the connecting sleeve, and the two convex shafts are symmetrically distributed. Two limiting sliding grooves are provided on the outer peripheral surface of the floating grid frame, and the two limiting sliding grooves are symmetrically distributed. The connecting sleeve is sleeved on the reciprocating lead screw, and the convex shaft is meshed and connected with the reciprocating lead screw, and the floating grid frame is slidably connected with the limiting slider through the limiting sliding groove.

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