Synchronous belt adjusting structure of table type injection pump
By designing a timing belt adjustment structure for a benchtop injection pump and using a combination of a torque wrench and a motor bracket, the problem of uncontrollable timing belt tension was solved, thereby improving the pump's operating accuracy and the lifespan of the timing belt.
Patent Information
- Application Number
- CN202520158126.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The tension of the timing belt in a benchtop syringe pump is difficult to control, which affects the pump's operating accuracy and the lifespan of the timing belt. Furthermore, the adjustment process relies on manual operation and is therefore uncontrollable.
Design a timing belt adjustment structure for a benchtop injection pump. The belt tension is managed consistently by adjusting the screw with a torque wrench. The combination of a motor bracket and a belt tensioning plate ensures uniform tension of the timing belt.
It enables unified management of synchronous belt tension, improves the operating accuracy of benchtop injection pumps and the service life of synchronous belts, and reduces the uncertainty of manual adjustment.
Smart Images
Figure CN223578722U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the injection pump technical field, especially point to a benchtop injection pump synchronous belt adjusting structure. BACKGROUND
[0002] The benchtop injection pump is a kind of capacity pump, mainly applied to the distribution or conveying of fluid, and is widely applied to food, chemical industry and biotechnology etc. industry. When using benchtop injection pump to transmit liquid, the tension state of the synchronous belt of benchtop injection pump directly influences the accuracy of liquid transmission. (Too tight adjustment will make the pump body operating resistance be big and influence the service life of synchronous belt, and too loose adjustment will influence the operating precision of pump.)
[0003] The tension of the synchronous belt of benchtop injection pump is mainly realized by adjusting the position of main motor, and in the adjustment process, the tension state of synchronous belt is uncontrollable due to different assembly personnel, and then the operating precision of pump body is influenced. INVENTION CONTENTS
[0004] Therefore, the utility model in view of this, while completely meeting the normal assembly work of injection pump, design a mechanism can conveniently adjust motor tension structure, can utilize torque wrench to carry out unified visual management to belt tension, reach the effect that the tension of synchronous belt is consistent.
[0005] In order to realize the above-mentioned purpose, the technical scheme that the utility model adopts is as follows:
[0006] A benchtop injection pump synchronous belt adjusting structure, including motor and motor support;The motor support is a rectangular frame structure;The driving motor is installed on the motor support by screw, and the output shaft of motor penetrates the shaft hole of motor support;Further including shell reinforcing plate;The motor support is hoisted on the shell reinforcing plate and forms an L-shaped structure;
[0007] The motor is located below the shell reinforcing plate, and a belt tensioning plate is arranged between the two;At least two threaded adjusting holes are arranged on the belt tensioning plate;Adjusting screw is arranged in each threaded adjusting hole;The inner end of adjusting screw abuts on the shell reinforcing plate, and the motor contacts the belt tensioning plate.
[0008] Further, the middle position of rectangular frame structure is provided with shaft hole for the output shaft of motor to extend, and the edge position is provided with multiple long round holes in array;
[0009] The extension direction of long round hole is parallel to the central axis of adjusting screw.
[0010] Further, the screw penetrates long round hole and is threadedly connected with driving motor.
[0011] Further, one side of the belt tensioning plate is provided with two opposite clamping grooves; the motor support is located between the two clamping grooves, so that the belt tensioning plate moves up and down along the motor support.
[0012] The beneficial effects generated by the technical scheme of the utility model lie in:
[0013] By rotating the adjusting screw through the torque wrench, the screw for locking and fixing the motor is locked again, so that the adjustment of the belt tensioning can be realized, the adjustment is convenient, and the distance between the belt tensioning plate and the shell reinforcing plate can be judged to achieve the effect of consistent synchronous belt tensioning force. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The utility model discloses a structure schematic view of an embodiment.
[0015] Figure 2 The utility model discloses a part structure schematic view of an embodiment.
[0016] Figure 3 The utility model discloses a cooperation relation diagram of the motor support and the belt tensioning plate of an embodiment.
[0017] Figure 4 The utility model discloses a structure schematic view of the belt tensioning plate in an embodiment.
[0018] Figure 5 The utility model discloses an assembly relation schematic view of the shell reinforcing plate and the motor support of an embodiment.
[0019] Figure 6 It is structure schematic view of benchtop injection pump.
[0020] In the drawing: 1, shell reinforcing plate, 2, motor support, 3, belt, 4, belt tensioning plate, 5, driving motor, 6, motor output shaft, 7, adjusting screw; DETAILED DESCRIPTION
[0021] Below, the utility model is further explained in combination with the drawing and specific embodiment.
[0022] The embodiment is applied to benchtop injection pump, wherein the syringe in the injection pump is driven through screw rod screw mechanism;The motor provides power for the screw rod mechanism. Figure 6 The working principle and structure of benchtop injection pump are well known, and will not be repeated.
[0023] Referring to Figure 1 and Figure 2 In the embodiment, as a part of the driving assembly of benchtop injection pump, the motor, the shell reinforcing plate for fixedly installing the motor and the motor support all are located in the assembly box of benchtop injection pump, and the output shaft of the motor drives the screw rod in the screw rod mechanism to rotate through the belt.
[0024] The shell reinforcing plate can be regarded as the inner top wall part of the assembly box; the motor support is hoisted on the shell reinforcing plate and forms an L-shaped structure (see Figure 5 ) ; the motor support is a rectangular frame structure, the middle position of the rectangular frame structure is provided with an axle hole for the output shaft of the motor to extend out, and the edge position is provided with a plurality of long round holes (see Figure 3 ) ; the driving motor is installed on the motor support through screws, and the output shaft of the motor penetrates the axle hole of the motor support; the screws are screwed with the driving motor through the long round holes, and the fixation of the driving motor is realized through the motor support.
[0025] The motor is located below the shell reinforcing plate, and the belt tensioning plate is arranged between the motor and the shell reinforcing plate; the belt tensioning plate is provided with at least two screw adjusting holes (see Figure 4 ) ; an adjusting screw is arranged in each screw adjusting hole; the inner end of the adjusting screw abuts against the shell reinforcing plate, and the motor is in contact with the belt tensioning plate. One side of the belt tensioning plate is provided with two opposite clamping grooves; the motor support is located between the two clamping grooves, so that the belt tensioning plate moves up and down along the motor support.
[0026] The belt tensioning plate can slide on the motor support by relying on the clamping groove of the structure. By rotating the inner hexagonal cylindrical head screw (adjusting screw), the belt tensioning plate is lifted, and then the driving motor is lifted, and the belt is also tensioned along with the movement of the driving motor.
[0027] During the assembly process, the torque wrench is used, the inner hexagonal head is matched, the four inner hexagonal cylindrical head screws (adjusting screws) are fastened, the uniform torque parameter can be set to ensure that the synchronous belt tension of all products is the same, and the precision consistency of the benchtop injection pump is ensured.
[0028] After the belt tensioning plate lifts the driving motor synchronous belt to reach the standard tensioning force, the motor needs to be fastened by screws.
[0029] The part not elaborated in detail in the utility model belongs to the technology of the person skilled in the art.
[0030] The above is only a preferred embodiment of the utility model, which is intended to further illustrate the utility model, but not to limit it. Any simple replacement according to the above-mentioned content and drawings is within the protection scope of the patent.
Claims
1. A synchronous belt adjustment structure for a benchtop syringe pump, comprising a motor and a motor bracket; the motor bracket is a rectangular frame structure; the motor is mounted on the motor bracket by screws, and the output shaft of the motor passes through the shaft hole of the motor bracket; characterized in that, It also includes a housing reinforcement plate; the motor bracket is suspended on the housing reinforcement plate and forms an L-shaped structure; The motor is located below the housing reinforcement plate, and a belt tensioning plate is provided between the two; the belt tensioning plate is provided with at least two threaded adjustment holes; each threaded adjustment hole is provided with an adjustment screw; the inner end of the adjustment screw abuts against the housing reinforcement plate, and the motor is in contact with the belt tensioning plate.
2. The tabletop syringe pump synchronous belt adjustment structure according to claim 1, characterized in that, The rectangular frame structure has a shaft hole for the motor output shaft to extend from the middle position, and multiple elongated holes are arrayed at the edge position; The elongated hole extends parallel to the central axis of the adjusting screw.
3. The tabletop syringe pump synchronous belt adjustment structure according to claim 2, characterized in that, The screw passes through the elongated hole and is threadedly connected to the drive motor.
4. The tabletop syringe pump synchronous belt adjustment structure according to claim 1, characterized in that, The belt tensioning plate has two opposing slots on one side; the motor bracket is located between the two slots, allowing the belt tensioning plate to move up and down along the motor bracket.