Earthworm seedling transferring device for industrialized earthworm breeding
By introducing moisturizing and temperature control components into the earthworm seedling transfer device, the problem of the inability to regulate the living environment of earthworm seedlings in the prior art is solved, which significantly reduces the mortality rate and stress response, and improves the breeding effect.
Patent Information
- Application Number
- CN202421109286.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The existing earthworm seedling transfer devices cannot effectively regulate the living environment of earthworm seedlings during the transfer process, resulting in high mortality, growth obstruction and stress response, affecting the breeding yield and quality.
A factory-made earthworm seedling transfer device for earthworm breeding is designed, including a moisturizing component and a temperature control component. The humidity in the seedling box is maintained through the pump and diffusion pipe system, and the temperature in the seedling box is regulated through the semiconductor refrigeration sheet and the air pump system.
It effectively reduces the mortality rate and stress response of earthworm seedlings, optimizes its growth environment, and improves the breeding yield and quality.
Smart Images

Figure CN222548388U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of breeding, in particular to an earthworm seedling transfer device for factory-based earthworm breeding. Background Art
[0002] The earthworm seedling transfer device used in factory earthworm farming is a device designed specifically for the efficient and safe transfer of earthworm seedlings. It aims to optimize the farming process and reduce labor requirements, and ensure that the earthworm seedlings are always in a better living environment during transfer.
[0003] The existing earthworm seedling transfer device does not have the ability to regulate the living environment of the earthworm seedlings during the transfer process, resulting in a high mortality rate. The earthworm seedlings are very sensitive to environmental changes. The lack of suitable temperature and humidity conditions will increase their stress, leading to a higher mortality rate; growth is hindered. An unsuitable environment will hinder the normal growth and development of the earthworm seedlings, affect their body shape and physique, and thus reduce the yield and quality of subsequent breeding stages; stress response. An unfavorable transfer environment will cause the earthworm seedlings to have a stress response, affecting their immune system and making them more vulnerable to pathogens.
[0004] Therefore, how to provide a device for transferring earthworm seedlings for factory-scale earthworm farming is a problem that those skilled in the art urgently need to solve. Utility Model Content
[0005] One purpose of the utility model is to propose an earthworm seedling transfer device for factory earthworm breeding. The utility model has a good function of transferring earthworm seedlings and maintaining a good living environment for earthworm seedlings. The water in the water supply box is pumped out through the water pump through the water pump pipe and supplied to the water dispersion pipe. The electric water valves on the sub-water pipes dispersed at the bottom of the water dispersion pipe control the water spraying of each water spray head to maintain the humidity in the seedling box; then the semiconductor refrigeration plate is refrigerated at the bottom to cool the gas. The air pump extracts the gas in the refrigeration box through the air pump pipe, and each electric air valve controls the air spray head to adjust the temperature in the seedling box. .
[0006] According to an embodiment of the utility model, a device for transferring earthworm seedlings for factory-based earthworm farming includes a cart body, a seedling cabinet, a moisturizing component and a temperature control component, wherein the seedling cabinet is fixedly mounted on the cart body, the moisturizing component is fixedly mounted on the top of the seedling cabinet, and the temperature control component is fixedly mounted on the top of the seedling cabinet away from the moisturizing component.
[0007] Furthermore, a universal wheel is fixedly provided at the bottom of the cart body, a cart plate is fixedly provided at the top of the cart body, and a cart handle is fixedly provided at the top of the cart plate.
[0008] Furthermore, the seedling cabinet includes a cabinet body, a seedling box, a handle, a slider, a guide rod and a slide groove, wherein the bottom of the cabinet body is fixedly mounted on the top of the cart body, the seedling box is slidably inserted in the cabinet body, both ends of the handle are fixedly mounted on the seedling box, the slider is fixedly mounted in the cabinet body, the bottom of the guide rod is fixedly mounted on the bottom of the seedling box, the slide groove is opened at the top of the guide rod, and the slide groove slidably cooperates with the slider.
[0009] Furthermore, the moisturizing component includes a water supply tank, a water pump, a water pipe and a water dispersion pipe, wherein the bottom of the water supply tank is fixedly mounted on the top of the cabinet, the base of the water pump is fixedly mounted on the top of the cabinet, one end of the water dispersion pipe is fixedly mounted on the water supply tank, the other end of the water dispersion pipe is fixedly mounted on one side of the working area of the water pump, the top end of the water dispersion pipe is fixedly mounted on the other side of the working area of the water pump, and the sub-water pipes dispersed at the bottom of the water dispersion pipe all extend into the cabinet.
[0010] Furthermore, the moisturizing component also includes an electric water valve and a water spray head, the electric water valve is fixedly mounted on the sub-water pipes dispersed at the bottom of the water dispersion pipe, the water spray head is located in the cabinet, and the water spray head is fixedly mounted on the sub-water pipes dispersed at the bottom of the water dispersion pipe.
[0011] Furthermore, the temperature control component includes a refrigeration box, an air pump, an exhaust pipe, an air distribution pipe, an electric air valve and an air nozzle, wherein the bottom of the refrigeration box is fixedly mounted on the top of the cabinet, the bottom of the air pump is fixedly mounted on the top of the cabinet, one end of the exhaust pipe is fixedly mounted on the refrigeration box, the other end of the exhaust pipe is fixedly mounted on one side of the working area of the air pump, the top of the air distribution pipe is fixedly mounted on the other side of the working area of the air pump, the sub-air pipes dispersed at the bottom of the air distribution pipe all extend into the cabinet, the electric air valve is fixedly mounted on the sub-air pipes dispersed at the bottom of the air distribution pipe, the air nozzle is located in the cabinet, and the air nozzle is fixedly mounted on the sub-air pipes dispersed at the bottom of the air distribution pipe.
[0012] Furthermore, the temperature control component also includes a refrigeration frame, a semiconductor refrigeration fin, a heat dissipation aluminum fin, a heat dissipation fan blade, a refrigeration aluminum fin and a spoiler fan blade, wherein the refrigeration frame is fixedly installed on both sides of the top of the refrigeration box, the semiconductor refrigeration fin is fixedly installed in the refrigeration frame, the heat dissipation aluminum fin is fixedly installed on the top of the semiconductor refrigeration fin, the heat dissipation fan blade is located directly above the heat dissipation aluminum fin, the heat dissipation fan blade is fixedly installed on the top of the refrigeration frame, the refrigeration aluminum fin is fixedly installed on the bottom of the semiconductor refrigeration fin, the spoiler fan blade is located in the refrigeration box, and the spoiler fan blade is fixedly installed on the bottom of the refrigeration frame.
[0013] Furthermore, the temperature control component also includes a ventilation pipe, a stop valve ball and a stop spring, wherein the ventilation pipe is fixedly installed on a side of the refrigeration box away from the exhaust pipe, the stop valve ball is installed in the ventilation pipe, one end of the stop spring is installed on the inner wall of the ventilation pipe, and the other end of the stop spring is fixedly installed on the stop valve ball.
[0014] The beneficial effects of the utility model are:
[0015] The utility model has the function of better transferring earthworm seedlings and maintaining a better living environment for earthworm seedlings. The water in the water supply box is pumped out through the water pump pipe and supplied to the water diffusion pipe. The electric water valves on the sub-water pipes dispersed at the bottom of the water diffusion pipe control the water spraying of each sprinkler head to maintain the humidity in the seedling box. The bottom of the semiconductor refrigeration plate is then refrigerated to cool the gas. The air pump draws the gas in the refrigeration box through the air suction pipe. Each electric air valve controls the air nozzle to adjust the temperature in the seedling box. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0017] Figure 1 This is a schematic diagram of the overall structure of a first-view device for transferring earthworm seedlings for factory-scale earthworm farming proposed by the utility model;
[0018] Figure 2 It is a second perspective overall structural schematic diagram of an earthworm seedling transfer device for factory-scale earthworm breeding proposed by the utility model;
[0019] Figure 3 It is a partial schematic diagram of the top of a cabinet of a device for transferring earthworm seedlings for factory-scale earthworm farming proposed by the utility model;
[0020] Figure 4 The utility model provides a device for transferring earthworm seedlings for factory earthworm breeding. Figure 3 A magnified image of point A;
[0021] Figure 5 The utility model provides a device for transferring earthworm seedlings for factory earthworm breeding. Figure 3 The enlarged view of point B;
[0022] Figure 6 This is a structural schematic diagram of a slider of an earthworm seedling transfer device for factory-scale earthworm breeding proposed by the utility model;
[0023] Figure 7The utility model is a schematic diagram of the structure of a seedling box of an earthworm seedling transfer device for factory-based earthworm breeding.
[0024] In the figure: 1. Cart body; 1.1. Universal wheel; 1.2. Cart board; 1.3. Cart handle; 2. Seedling cabinet; 2.1. Cabinet; 2.2. Seedling box; 2.3. Handle; 2.4. Sliding block; 2.5. Guide rod; 2.6. Slide; 3. Moisturizing component; 3.1. Water supply tank; 3.2. Water pump; 3.3. Water pipe; 3.4. Diffuser; 3.5. Electric water valve; 3.6. Sprinkler head; 4. Temperature control components; 4.1. Refrigeration box; 4.2. Air pump; 4.3. Exhaust pipe; 4.4. Air distribution pipe; 4.5. Electric air valve; 4.6. Air nozzle; 4.7. Refrigeration rack; 4.8. Semiconductor refrigeration sheet; 4.9. Heat dissipation aluminum sheet; 4.10. Heat dissipation fan blades; 4.11. Refrigeration aluminum sheet; 4.12. Turbine fan blades; 4.13. Ventilation pipe; 4.14. Air stop valve ball; 4.15. Air stop spring. DETAILED DESCRIPTION
[0025] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0026] Please refer to Figures 1 to 7 The utility model provides an earthworm seedling transfer device for factory-based earthworm breeding, comprising a cart body 1, a seedling cabinet 2, a moisturizing component 3 and a temperature control component 4, wherein the seedling cabinet 2 is fixedly installed on the cart body 1, the moisturizing component 3 is fixedly installed on the top of the seedling cabinet 2, and the temperature control component 4 is fixedly installed on the top of the seedling cabinet 2 away from the moisturizing component 3.
[0027] Specifically, a universal wheel 1.1 is fixedly provided at the bottom of the cart body 1, a cart plate 1.2 is fixedly provided at the top of the cart body 1, a cart handle 1.3 is fixedly provided at the top of the cart plate 1.2, and the seedling cabinet 2 comprises a cabinet body 2.1, a seedling box 2.2, a handle 2.3, a slider 2.4, a guide rod 2.5 and a slide groove 2.6, wherein the bottom of the cabinet body 2.1 is fixedly installed on the top of the cart body 1, the cabinet body 2.1 is provided with multiple layers, the seedling box 2.2 is slidably inserted into the cabinet body 2.1, and earthworm seedlings are stored in the seedling box 2.2. Both ends of the handle 2.3 are fixedly installed on the seedling box 2.2, the slider 2.4 is fixedly installed in the cabinet body 2.1, the bottom of the guide rod 2.5 is fixedly installed on the bottom of the seedling box 2.2, the slide groove 2.6 is opened at the top of the guide rod 2.5, and the slide groove 2.6 and the slider 2.4 are slidably matched.
[0028] More specifically, the moisturizing component 3 includes a water supply tank 3.1, a water pump 3.2, a water pumping pipe 3.3 and a water dispersion pipe 3.4, wherein the bottom of the water supply tank 3.1 is fixedly mounted on the top of the cabinet 2.1, the water supply tank 3.1 stores water, the base of the water pump 3.2 is fixedly mounted on the top of the cabinet 2.1, the water pump 3.2 is used to pump water, one end of the water pumping pipe 3.3 is fixedly mounted on the water supply tank 3.1, the other end of the water pumping pipe 3.3 is fixedly mounted on one side of the working area of the water pump 3.2, the top end of the water dispersion pipe 3.4 is fixedly mounted on the other side of the working area of the water pump 3.2, and the sub-water pipes dispersed at the bottom of the water dispersion pipe 3.4 all extend into the cabinet 2.1.
[0029] The moisturizing component 3 also includes an electric water valve 3.5 and a water spray head 3.6. The electric water valve 3.5 is fixedly mounted on the sub-water pipes dispersed at the bottom of the water dispersion pipe 3.4. The electric water valve 3.5 controls the switches of each water spray head 3.6 to spray water into the seedling box 2.2 to maintain the moisture level in the seedling box 2.2. The water spray head 3.6 is located in the cabinet 2.1 and is fixedly mounted on the sub-water pipes dispersed at the bottom of the water dispersion pipe 3.4.
[0030] More specifically, the temperature control assembly 4 includes a refrigeration box 4.1, an air pump 4.2, an air extraction pipe 4.3, an air distribution pipe 4.4, an electric air valve 4.5 and an air nozzle 4.6, wherein the bottom of the refrigeration box 4.1 is fixedly mounted on the top of the cabinet 2.1, the bottom of the air pump 4.2 is fixedly mounted on the top of the cabinet 2.1, one end of the air extraction pipe 4.3 is fixedly mounted on the refrigeration box 4.1, and the other end of the air extraction pipe 4.3 is fixedly mounted on one side of the working area of the air pump 4.2, and the air distribution pipe 4.4 is fixedly mounted on the working area of the air pump 4.2. .4 is fixedly mounted on the other side of the working area of the air pump 4.2, the sub-air pipes dispersed at the bottom of the air distribution pipe 4.4 all extend into the cabinet 2.1, the electric air valve 4.5 is fixedly mounted on the sub-air pipes dispersed at the bottom of the air distribution pipe 4.4, the air nozzle 4.6 is located in the cabinet 2.1, the air nozzle 4.6 is fixedly mounted on the sub-air pipes dispersed at the bottom of the air distribution pipe 4.4, the electric air valve 4.5 controls each air nozzle 4.6 to spray gas, so as to reduce the temperature in the seedling box 2.2.
[0031] The temperature control component 4 also includes a refrigeration rack 4.7, a semiconductor refrigeration sheet 4.8, a heat dissipation aluminum sheet 4.9, a heat dissipation fan blade 4.10, a refrigeration aluminum sheet 4.11 and a spoiler fan blade 4.12, wherein the refrigeration rack 4.7 is fixedly mounted on both sides of the top of the refrigeration box 4.1, the semiconductor refrigeration sheet 4.8 is fixedly mounted in the refrigeration rack 4.7, the semiconductor refrigeration sheet 4.8 is used for cooling and heating, the heat dissipation aluminum sheet 4.9 is fixedly mounted on the top of the semiconductor refrigeration sheet 4.8, the heat dissipation aluminum sheet 4.9 is used for heat dissipation, the heat dissipation fan blade 4.10 is located directly above the heat dissipation aluminum sheet 4.9, the heat dissipation fan blade 4.10 is used for wind heat dissipation of the heat dissipation aluminum sheet 4.9, the heat dissipation fan blade 4.10 is fixedly mounted on the top of the refrigeration rack 4.7, the refrigeration aluminum sheet 4.11 is fixedly mounted on the bottom of the semiconductor refrigeration sheet 4.8, the refrigeration aluminum sheet 4.11 is used for cooling, the spoiler fan blade 4.12 is located in the refrigeration box 4.1, and the spoiler fan blade 4.12 is fixedly mounted on the bottom of the refrigeration rack 4.7.
[0032] The temperature control assembly 4 further comprises a ventilation pipe 4.13, a stop valve ball 4.14 and a stop spring 4.15, wherein the ventilation pipe 4.13 is fixedly mounted on a side of the refrigeration box 4.1 away from the exhaust pipe 4.3, the ventilation pipe 4.13 is used for external air to enter the refrigeration box 4.1, the stop valve ball 4.14 is mounted in the ventilation pipe 4.13, one end of the stop spring 4.15 is mounted on the inner wall of the ventilation pipe 4.13, and the other end of the stop spring 4.15 is fixedly mounted on the stop valve ball 4.14.
[0033] Furthermore, by pushing the cart handle 1.3, the cart body 1 can be pushed, and the universal wheels 1.1 roll at the bottom of the cart body 1.
[0034] The handle 2.3 is pulled, and the handle 2.3 drives the seedling box 2.2 to be drawn out of the cabinet 2.1, and the slide groove 2.6 of the guide rod 2.5 slides out of the cabinet 2.1 along the slider 2.4 of the cabinet 2.1.
[0035] To maintain the humidity in the seedling box 2.2, the water pump 3.2 is turned on. The water pump 3.2 pumps the water in the water supply tank 3.1 through the water pumping pipe 3.3 and supplies it to the water diffusion pipe 3.4. The electric water valve 3.5 on the sub-water pipes dispersed at the bottom of the water diffusion pipe 3.4 controls the water spraying of each sprinkler head 3.6 to moisten the seedling box 2.2.
[0036] To control the temperature in the seedling box 2.2, the semiconductor refrigeration sheet 4.8 is turned on, the bottom of the semiconductor refrigeration sheet 4.8 is cooled, and the cooling is transferred to the cooling aluminum sheet 4.11, the spoiler blade 4.12 is turned on to circulate the air in the refrigeration box 4.1, and the air is cooled, the top of the semiconductor refrigeration sheet 4.8 is heated, and the heat is transferred to the heat dissipation aluminum sheet 4.9, and the heat dissipation fan blade 4.10 is used to dissipate the heat of the heat dissipation aluminum sheet 4.9 by wind.
[0037] The air pump 4.2 is turned on, and the air pump 4.2 extracts the air in the refrigeration box 4.1 through the air extraction pipe 4.3, and the air enters the air distribution pipe 4.4, and controls the air nozzle 4.6 through each electric air valve 4.5 to adjust the temperature in the seedling box 2.2.
[0038] When the air pump 4.2 extracts gas from the refrigerating box 4.1 to a certain extent, the negative pressure inside the refrigerating box 4.1 is relatively large, the air stop valve ball 4.14 moves toward the refrigerating box 4.1, the air stop spring 4.15 is compressed, and the outside air enters the refrigerating box 4.1 through the ventilation pipe 4.13. After the air pressure inside the refrigerating box 4.1 returns to normal, the air stop spring 4.15 is reset, and the air stop valve ball 4.14 blocks the pipe opening of the ventilation pipe 4.13 again to seal it.
[0039] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.
Claims
1. A device for transferring earthworm seedlings for factory earthworm farming, characterized in that: The invention comprises a cart body (1), a seedling cabinet (2), a moisturizing component (3) and a temperature control component (4), wherein the seedling cabinet (2) is fixedly mounted on the cart body (1), the moisturizing component (3) is fixedly mounted on the top of the seedling cabinet (2), and the temperature control component (4) is fixedly mounted on the top of the seedling cabinet (2) away from the moisturizing component (3); The temperature control component (4) comprises a refrigeration box (4.1), an air pump (4.2), an air extraction pipe (4.3), an air distribution pipe (4.4), an electric air valve (4.5) and an air nozzle (4.6), wherein the bottom of the refrigeration box (4.1) is fixedly mounted on the top of the cabinet (2.1), the bottom of the air pump (4.2) is fixedly mounted on the top of the cabinet (2.1), one end of the air extraction pipe (4.3) is fixedly mounted on the refrigeration box (4.1), and the other end of the air extraction pipe (4.3) is fixedly mounted on the On one side of the working area of the air pump (4.2), the top of the air distribution pipe (4.4) is fixedly installed on the other side of the working area of the air pump (4.2), the sub-air pipes dispersed at the bottom of the air distribution pipe (4.4) all extend into the cabinet (2.1), the electric air valve (4.5) is fixedly installed on the sub-air pipes dispersed at the bottom of the air distribution pipe (4.4), the air nozzle (4.6) is located in the cabinet (2.1), and the air nozzle (4.6) is fixedly installed on the sub-air pipes dispersed at the bottom of the air distribution pipe (4.4).
2. The earthworm seedling transfer device for factory earthworm farming according to claim 1, characterized in that: A universal wheel (1.1) is fixedly arranged at the bottom of the cart body (1), a cart plate (1.2) is fixedly arranged at the top of the cart body (1), and a cart handle (1.3) is fixedly arranged at the top of the cart plate (1.2).
3. The earthworm seedling transfer device for factory earthworm farming according to claim 1, characterized in that: The seedling cabinet (2) comprises a cabinet body (2.1), a seedling box (2.2), a handle (2.3), a slider (2.4), a guide rod (2.5) and a slide groove (2.6), wherein the bottom of the cabinet body (2.1) is fixedly mounted on the top of the cart body (1), the seedling box (2.2) is slidably inserted into the cabinet body (2.1), both ends of the handle (2.3) are fixedly mounted on the seedling box (2.2), the slider (2.4) is fixedly mounted in the cabinet body (2.1), the bottom of the guide rod (2.5) is fixedly mounted on the bottom of the seedling box (2.2), the slide groove (2.6) is opened at the top of the guide rod (2.5), and the slide groove (2.6) and the slider (2.4) are slidably matched.
4. The earthworm seedling transfer device for factory earthworm farming according to claim 1, characterized in that: The moisturizing component (3) comprises a water supply box (3.1), a water pump (3.2), a water suction pipe (3.3) and a water dispersion pipe (3.4), wherein the bottom of the water supply box (3.1) is fixedly mounted on the top of the cabinet (2.1), the base of the water pump (3.2) is fixedly mounted on the top of the cabinet (2.1), one end of the water suction pipe (3.3) is fixedly mounted on the water supply box (3.1), the other end of the water suction pipe (3.3) is fixedly mounted on one side of the working area of the water pump (3.2), the top end of the water dispersion pipe (3.4) is fixedly mounted on the other side of the working area of the water pump (3.2), and the sub-water pipes dispersed at the bottom of the water dispersion pipe (3.4) all extend into the cabinet (2.1).
5. The earthworm seedling transfer device for factory earthworm farming according to claim 4, characterized in that: The moisturizing component (3) further comprises an electric water valve (3.5) and a water spray head (3.6); the electric water valve (3.5) is fixedly mounted on the sub-water pipes dispersed at the bottom of the water dispersion pipe (3.4); the water spray head (3.6) is located in the cabinet (2.1); the water spray head (3.6) is fixedly mounted on the sub-water pipes dispersed at the bottom of the water dispersion pipe (3.4).
6. The earthworm seedling transfer device for factory earthworm farming according to claim 1, characterized in that: The temperature control component (4) also includes a refrigeration rack (4.7), a semiconductor refrigeration sheet (4.8), a heat dissipation aluminum sheet (4.9), a heat dissipation fan blade (4.10), a refrigeration aluminum sheet (4.11) and a spoiler fan blade (4.12), wherein the refrigeration rack (4.7) is fixedly mounted on both sides of the top of the refrigeration box (4.1), the semiconductor refrigeration sheet (4.8) is fixedly mounted in the refrigeration rack (4.7), the heat dissipation aluminum sheet (4.9) is fixedly mounted on the top of the semiconductor refrigeration sheet (4.8), the heat dissipation fan blade (4.10) is located directly above the heat dissipation aluminum sheet (4.9), the heat dissipation fan blade (4.10) is fixedly mounted on the top of the refrigeration rack (4.7), the refrigeration aluminum sheet (4.11) is fixedly mounted on the bottom of the semiconductor refrigeration sheet (4.8), the spoiler fan blade (4.12) is located in the refrigeration box (4.1), and the spoiler fan blade (4.12) is fixedly mounted on the bottom of the refrigeration rack (4.7).
7. The earthworm seedling transfer device for factory earthworm farming according to claim 6, characterized in that: The temperature control component (4) further comprises a ventilation pipe (4.13), a stop valve ball (4.14) and a stop spring (4.15), wherein the ventilation pipe (4.13) is fixedly mounted on a side of the refrigeration box (4.1) away from the exhaust pipe (4.3), the stop valve ball (4.14) is mounted in the ventilation pipe (4.13), one end of the stop spring (4.15) is mounted on the inner wall of the ventilation pipe (4.13), and the other end of the stop spring (4.15) is fixedly mounted on the stop valve ball (4.14).