Jet dispenser

Abstract

The utility model provides a jet distributor. The jet dispenser includes: a frame including a supply port and a discharge port; a supply unit coupled to the supply port and supplying a solution; a discharge unit coupled to the discharge port and filled with the solution supplied from the supply unit and discharging the solution; a piezoelectric element which is housed inside the frame and discharges the solution filled in the discharge part; a cooling circulation device coupled to the outside of the frame; and a cooling fin protruding from the cooling circulation device.

Description

Technical Field

[0001] The utility model relates to a jet dispenser. Background Art

[0002] In recent years, with the climax of attention to information displays, research and development of manufacturing equipment for display devices has been continuously carried out. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to minimize the discharge deviation of the jet dispenser by minimizing the temperature change of the piezoelectric element.

[0004] The technical problems of the utility model are not limited to the above-mentioned technical problems, and those skilled in the art can clearly understand other technical problems not mentioned from the following description.

[0005] The jet dispenser according to an embodiment for solving the above technical problems includes: a frame including a supply port and a discharge port; a supply unit coupled to the supply port and supplying a solution; a discharge unit coupled to the discharge port, filled with the solution supplied from the supply unit and discharging the solution; a piezoelectric element housed inside the frame and discharging the solution filled in the discharge unit; a cooling circulation device coupled to the outside of the frame; and cooling fins protruding from the cooling circulation device.

[0006] The cooling circulation device may include a cooling flow path.

[0007] The cooling circulation device may include a coolant temperature regulator.

[0008] The cooling circulation device may include a mass flow controller.

[0009] The jet dispenser may further include a temperature sensor disposed outside the frame.

[0010] The jet dispenser may further include a control unit that receives temperature sensing result information of the temperature sensor and controls the power supply of the cooling circulation device based on the temperature sensing result information of the temperature sensor.

[0011] The jet dispenser may further include a thermoelectric element disposed between the frame and the cooling circulation device.

[0012] The first surface of the thermoelectric element may be in contact with the frame.

[0013] The second surface of the thermoelectric element may be in contact with the cooling circulation device.

[0014] The injection dispenser may further include: a push rod member disposed inside the frame and configured to be able to move up and down inside the frame; and a conversion member disposed inside the frame, with one side disposed above the piezoelectric element and the other side disposed above the push rod member.

[0015] An injection dispenser according to an embodiment for solving the above technical problems includes: a frame including a supply port and a discharge port; a supply unit coupled to the supply port and supplying a solution; a discharge unit coupled to the discharge port, filled with the solution supplied from the supply unit and discharging it; a piezoelectric element housed inside the frame and discharging the solution filled in the discharge unit; and a thermoelectric element coupled to the outside of the frame.

[0016] The first surface of the thermoelectric element may be in contact with the frame.

[0017] The injection dispenser may further include: a cooling circulation device coupled to the second surface of the thermoelectric element.

[0018] The injection dispenser may further include cooling fins protruding from the cooling circulation device.

[0019] The cooling circulation device may include a cooling flow path.

[0020] The cooling circulation device may include a coolant temperature regulator.

[0021] The cooling circulation device may include a mass flow controller.

[0022] The injection dispenser may further include a temperature sensor disposed outside the frame.

[0023] The injection dispenser may further include a control unit that receives the temperature sensing result information of the temperature sensor and controls the power supply of the thermoelectric element based on the temperature sensing result information of the temperature sensor.

[0024] Details of other embodiments are included in the detailed description and the drawings.

[0025] According to the above embodiment, a thermoelectric element, a cooling circulation device, and / or cooling fins are disposed outside the frame of the injection dispenser, so that the heat generated from the piezoelectric element can be effectively cooled.

[0026] Thus, the thermoelectric element, the cooling circulation device, and / or the cooling fins can be freely arranged without being limited by the internal installation space of the frame, and the moisture generated inside the frame due to the temperature difference can be minimized.

[0027] That is, exposure of the electrical device including the piezoelectric element to moisture is prevented, and internal corrosion of the jet dispenser is prevented. At the same time, the discharge deviation of the jet dispenser can be minimized by minimizing the temperature change of the piezoelectric element.

[0028] The effects according to the embodiments are not limited to the content of the above examples, and more various effects are included in this specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a side view of a jet dispenser according to an embodiment.

[0030] Figure 2 is a cross-sectional view of a jet dispenser according to an embodiment.

[0031] Figure 3 is a cross-sectional view for explaining a cooling cycle device and a thermoelectric element according to an embodiment.

[0032] Figure 4 and Figure 5 is a cross-sectional view for explaining a cooling cycle device, a thermoelectric element, and a temperature sensor according to an embodiment.

[0033] Figure 6 is a side view for explaining a cooling cycle device.

[0034] DESCRIPTION OF REFERENCE NUMERALS

[0035] 110: Frame

[0036] 120: Supply port

[0037] 130: Discharge port

[0038] 210: Supply unit

[0039] 310: Discharge unit

[0040] 410: Piezoelectric element

[0041] 510: Thermoelectric element

[0042] 610: Cooling cycle device

[0043] 611: Cooling flow path

[0044] 620: Cooling fin

[0045] 710: Temperature sensor DETAILED DESCRIPTION OF THE EMBODIMENTS

[0046] With reference to the embodiments described in detail below in conjunction with the accompanying drawings, the advantages and features of the present utility model and the methods for achieving these will become clear. However, the present utility model is not limited to the embodiments disclosed below and can be implemented in various different forms.

[0047] This embodiment aims to make the disclosure of the present utility model complete and is provided to fully inform those with ordinary knowledge in the technical field to which the present utility model belongs of the scope of the utility model. The present utility model is only defined by the scope of the claims.

[0048] The terms used in this specification are for describing the embodiments and are not intended to limit the present utility model. In this specification, unless otherwise specifically mentioned, the singular form also includes the plural form.

[0049] The "comprises" and / or "comprising" used in the specification do not exclude the presence or addition of one or more other elements, steps, operations, and / or components among the elements, steps, operations, and / or components mentioned.

[0050] "Connection" or "contact" may refer to physical and / or electrical connection or contact. This may refer to including direct or indirect connection or contact and integral or non-integral connection or contact.

[0051] When an element or layer is referred to as "on" another element or layer, it includes both the case of directly on the element or layer and the case of having other layers or other elements interposed therebetween. Throughout the specification, the same reference numerals refer to the same components.

[0052] Although terms such as "first", "second", etc. are used to describe various components, these components are clearly not limited by these terms. These terms are only used to distinguish one component from another. Therefore, the first component mentioned below can also be the second component within the technical concept of the present utility model.

[0053] Hereinafter, embodiments of the present utility model will be described in detail with reference to the drawings.

[0054] Figure 1 is a side view of an ejection dispenser according to an embodiment. Figure 2 is a cross-sectional view of an ejection dispenser according to an embodiment.

[0055] As a manufacturing device for a display device, an ejection dispenser can be used to discharge and coat a solution onto a substrate of the display device.

[0056] The jet dispenser can be used in the manufacture of electronic devices that apply a display surface on at least one side, such as smartphones, TVs, tablet computers (PCs), mobile phones, video phones, e-book readers, desktop computers (PCs), laptop computers (PCs), netbook computers, workstations, servers, personal digital assistants (PDAs), portable multimedia players (PMPs: Portable Multimedia Players), MP3 players, medical devices, cameras, or wearable display devices.

[0057] Referring to Figure 1 and Figure 2 , the jet dispenser may include: a frame 110 including a supply port 120 and a discharge port 130.

[0058] A supply unit 210 may be coupled to the supply port 120 of the frame 110. The supply unit 210 may be coupled to the supply port 120 of the frame 110 and supply a solution to the frame 110. As an example, the supply unit 210 may be a solution tank filled with a solution inside.

[0059] In an embodiment, a compressor that generates pressure inside the supply unit 210 may also be provided on the upper part of the supply unit 210. As an example, due to the pressure of the air generated by the compressor, the solution filled in the supply unit 210 may move to a discharge unit 310 described later. According to the embodiment, the compressor may be omitted.

[0060] A discharge unit 310 may be coupled to the discharge port 130 of the frame 110. The solution supplied from the supply unit 210 may be filled into the discharge unit 310 and discharged to the outside of the frame 110.

[0061] A pipeline connecting the supply port 120 and the discharge port 130 may be formed inside the frame 110. The solution moving through the supply port 120 of the frame 110 may move through the pipeline inside the frame 110 and reach the discharge unit 310 coupled to the discharge port 130 of the frame 110.

[0062] In an embodiment, the discharge unit 310 may include a needle holder and / or a needle member. The solution supplied from the supply unit 210 may be filled into the needle holder of the discharge unit 310.

[0063] The needle member may be provided below the needle holder so that the solution filled into the needle holder is discharged through the needle member. However, it is not necessarily limited to this, and the method of filling and discharging the solution into the discharge unit 310 may be variously changed.

[0064] Inside the frame 110, a piezoelectric element 410 may be provided. The piezoelectric element 410 can contract or expand by using an applied voltage. By the contraction or expansion of the piezoelectric element 410, the solution filled in the discharge unit 310 can be discharged to the outside.

[0065] The ejection dispenser may further include a control unit that supplies voltage to the piezoelectric element 410. The control unit can supply voltage to the piezoelectric element 410 to cause the piezoelectric element 410 to contract or expand, thereby controlling the solution discharged through the discharge unit 310 according to the length change of the piezoelectric element 410.

[0066] According to an embodiment, the ejection dispenser as an ejection device using the piezoelectric element 410 can achieve fast responsiveness, quantitative discharge, and accurate ejection rate by utilizing the piezoelectric property of the piezoelectric element 410 (i.e., the property of contracting or expanding when a voltage is applied).

[0067] Inside the frame 110, a push rod member 430 may also be provided. The push rod member 430 may be configured to be able to move up and down inside the frame 110. As an example, by repeatedly applying and cutting off voltage to the piezoelectric element 410, the push rod member 430 can be repeatedly lifted and lowered, and the solution can be discharged according to the number of times the push rod member 430 is lifted and lowered.

[0068] The push rod member 430 can discharge the solution filled in the needle holder of the discharge unit 310 through the needle member of the discharge unit 310. In an embodiment, the push rod member 430 may have a diameter larger than the ejection port of the needle member of the discharge unit 310, but it is not necessarily limited thereto.

[0069] The push rod member 430 can function to push out the solution so that the solution filled in the needle holder of the discharge unit 310 can be discharged through the needle member of the discharge unit 310.

[0070] The push rod member 430 can function to block the ejection port of the needle member of the discharge unit 310 to prevent the solution from being discharged through the needle member of the discharge unit 310 after a preset volume of the solution is discharged through the needle member of the discharge unit 310. However, the working mode of the push rod member 430 is not necessarily limited thereto and can be variously changed.

[0071] According to an embodiment, a sensor module for setting the operation range of the push rod member 430 may also be provided. The sensor module can detect the descending range of the push rod member 430 to set the operation range of the push rod member 430 when the push rod member 430 descends and contacts the discharge unit 310 and stops by applying voltage to the piezoelectric element 410.

[0072] The sensor module can drive the push rod component 430 within the maximum operating range by grasping the maximum operating range when the push rod component 430 is initially driven, thereby preventing the push rod component 430 from descending excessively and colliding with the discharge portion 310, resulting in damage.

[0073] A conversion component 420 can also be provided inside the frame 110. One side of the conversion component 420 can be provided above the piezoelectric element 410, and the other side of the conversion component 420 can be provided above the push rod component 430.

[0074] When a voltage is applied to the piezoelectric element 410, the piezoelectric element 410 can expand, and the direction of the energy generated by the expansion of the piezoelectric element 410 is converted by the conversion component 420 and transmitted to the push rod component 430, and the push rod component 430 can descend in the downward direction, so that the solution filled in the discharge portion 310 can be discharged.

[0075] When the voltage applied to the piezoelectric element 410 is cut off, the piezoelectric element 410 can contract, and the push rod component 430 can rise in the upward direction and return to its original position.

[0076] However, the working mode of the conversion component 420 is not necessarily limited to this, and the conversion component 420 can also be omitted according to the arrangement of the piezoelectric element 410 and the push rod component 430.

[0077] A cooling device can be provided outside the frame 110. The cooling device can include a thermoelectric element 510, a cooling circulation device 610, and / or a cooling fin 620.

[0078] The thermoelectric element 510, the cooling circulation device 610, and / or the cooling fin 620 can function to constantly maintain the temperature of the piezoelectric element 410, so that the piezoelectric element 410 can contract or expand to a predetermined length by cooling the heat generated during the operation of the piezoelectric element 410.

[0079] For a detailed description of the thermoelectric element 510, the cooling circulation device 610, and / or the cooling fin 620, refer to Figures 3 to 6 .

[0080] Figure 3 is a cross-sectional view for explaining the cooling circulation device and the thermoelectric element according to an embodiment. Figure 4 and Figure 5 is a cross-sectional view for explaining the cooling circulation device, the thermoelectric element, and the temperature sensor according to an embodiment. Figure 6 is a side view for explaining the cooling circulation device.

[0081] Refer to Figures 3 to 5, the thermoelectric element 510 can be combined with the exterior of the frame 110. The thermoelectric element 510 can be disposed between the frame 110 and the cooling circulation device 610. As described above, when the thermoelectric element 510 is provided on the exterior of the frame 110, the thermoelectric element 510 can be freely arranged without being restricted by the internal installation space of the frame 110, and the moisture generated inside the frame 110 due to the temperature difference can be minimized, thus preventing internal corrosion of the jet dispenser.

[0082] In an embodiment, the thermoelectric element 510 can be a Peltier element. As an example, the thermoelectric element 510, as a thin plate type element, can have a plurality of p-type semiconductor elements and n-type semiconductor elements respectively disposed and electrically connected between two support substrates, so that a temperature difference is generated between the two support substrates due to the Peltier effect. In an embodiment, the heat capacity of the thermoelectric element 510 can be 55 W or more, but is not necessarily limited thereto.

[0083] In an embodiment, the first surface 510A of the thermoelectric element 510 can correspond to the low temperature part, and the second surface 510B of the thermoelectric element 510 can correspond to the high temperature part. The first surface 510A of the thermoelectric element 510 as the low temperature part can be in contact with the outer surface of the frame 110. The first surface 510A of the thermoelectric element 510 can cool the frame 110.

[0084] The second surface 510B of the thermoelectric element 510 as the high temperature part can be in contact with the cooling circulation device 610. The second surface 510B of the thermoelectric element 510 can be cooled by the cooling circulation device 610 and the cooling fins 620, thereby improving the efficiency of the thermoelectric element 510.

[0085] For example, the heat generated from the piezoelectric element 410 can be transferred to the frame 110, and the first surface 510A of the thermoelectric element 510 can absorb the heat of the frame 110 to cool the frame 110. In this case, heat may be generated on the second surface 510B of the thermoelectric element 510, and the second surface 510B of the thermoelectric element 510 can be cooled by the cooling circulation device 610 and the cooling fins 620.

[0086] By using the above method, the heat generated from the piezoelectric element 410 can be cooled by the thermoelectric element 510, so the discharge deviation of the jet dispenser can be minimized by minimizing the temperature change of the piezoelectric element 410.

[0087] The cooling circulation device 610 can function to cool the heat released from the thermoelectric element 510.

[0088] The cooling circulation device 610 may be arranged outside the frame 110. As described above, when the cooling circulation device 610 is provided outside the frame 110, the cooling circulation device 610 can be freely set without being restricted by the internal installation space of the frame 110, and the moisture generated inside the frame 110 due to the temperature difference can be minimized, so that internal corrosion of the jet dispenser can be prevented.

[0089] The cooling circulation device 610 may be combined with the thermoelectric element 510. The cooling circulation device 610 may be combined with the outside of the frame 110. As an example, the cooling circulation device 610 may be combined with the outside of the frame 110 through the thermoelectric element 510.

[0090] The cooling circulation device 610 may be combined with the second surface 510B of the thermoelectric element 510. The cooling circulation device 610 can cool the heat released from the second surface 510B, which is the high-temperature part of the thermoelectric element 510, to improve the efficiency of the thermoelectric element 510. The cooling circulation device 610 may be combined with the second surface 510B of the thermoelectric element 510 by an adhesive, but is not necessarily limited thereto.

[0091] The cooling circulation device 610 may be formed of aluminum with excellent thermal conductivity, but is not necessarily limited thereto.

[0092] The cooling circulation device 610 may include a cooling flow path 611. The cooling flow path 611 may serve to provide a path for the coolant to circulate inside the cooling circulation device 610.

[0093] Refer to Figure 6 , the cooling circulation device 610 may include an inlet through which the coolant flows in and an outlet through which the coolant is discharged. The coolant flowing into the cooling circulation device 610 through the inlet may circulate inside the cooling circulation device 610 via the cooling flow path 611 and be discharged to the outside of the cooling circulation device 610 through the outlet of the cooling circulation device 610.

[0094] In an embodiment, the cooling flow path 611 may have a hollow tube shape with both ends open. One end of the cooling flow path 611 may correspond to the inlet of the cooling circulation device 610, and the other end of the cooling flow path 611 may correspond to the outlet of the cooling circulation device 610.

[0095] The coolant may circulate inside the cooling circulation device 610 through the cooling flow path 611 and cool the heat of the cooling circulation device 610. In an embodiment, the coolant may be a general refrigerant gas or cooling water, and may be variously changed according to the embodiment.

[0096] The cooling circulation device 610 may further include a coolant temperature regulator and / or a mass flow controller, etc. The coolant temperature regulator may function to regulate the temperature of the coolant introduced into the cooling flow path 611.

[0097] The mass flow controller may function to measure and control the flow rate of the coolant introduced into the cooling flow path 611. The coolant temperature regulator and / or the mass flow controller may be omitted according to an embodiment.

[0098] The cooling fins 620 may function to release the heat transferred from the cooling circulation device 610 to the outside.

[0099] The cooling fins 620 may be arranged outside the frame 110. As described above, when the cooling fins 620 are arranged outside the frame 110, the cooling fins 620 can be freely set without being restricted by the internal setting space of the frame 110, and the moisture generated inside the frame 110 due to the temperature difference can be minimized, so the internal corrosion of the spray dispenser can be prevented.

[0100] The cooling fins 620 may be combined with the cooling circulation device 610. The cooling fins 620 may be combined with the outside of the frame 110. As an example, the cooling fins 620 may be combined with the outside of the frame 110 through the thermoelectric element 510 and / or the cooling circulation device 610.

[0101] The cooling fins 620 may protrude from the cooling circulation device 610. The cooling fins 620 may be provided in a plurality and dispersed on one surface of the cooling circulation device 610. According to an embodiment, the cooling fins 620 and the cooling circulation device 610 may be provided integrally, but are not necessarily limited thereto.

[0102] The cooling fins 620 may be formed of the same material as the cooling circulation device 610. As an example, the cooling fins 620 may be formed of aluminum with excellent thermal conductivity, but are not necessarily limited thereto.

[0103] According to an embodiment, the spray dispenser may further include a temperature sensor 710. The temperature sensor 710 may be provided outside the frame 110. As described above, when the temperature sensor 710 is provided outside the frame 110, the temperature sensor 710 can be freely set without being restricted by the internal setting space of the frame 110.

[0104] As Figure 4 shown, the temperature sensor 710 may be combined with the outer surface of the frame 110 and / or the thermoelectric element 510. The spray dispenser may further include a control unit that receives the temperature sensing result information of the temperature sensor 710 to control the power supply of the thermoelectric element 510 and / or the cooling circulation device 610 based on the temperature sensing result information of the temperature sensor 710.

[0105] In an embodiment, the thermoelectric element 510 and / or the cooling cycle device 610 can be operated when the temperature of the frame 110 is higher than the set value of the temperature sensor 710. In an embodiment, the thermoelectric element 510 and the cooling cycle device 610 can be operated simultaneously, but it is not necessarily limited thereto. The thermoelectric element 510 and the cooling cycle device 610 can also be operated sequentially according to the temperature sensing result of the temperature sensor 710, or only a part of the thermoelectric element 510 and the cooling cycle device 610 can be operated.

[0106] As Figure 5 shown, the temperature sensor 710 can be combined with the cooling cycle device 610 and / or the cooling fins 620. The power supply of the thermoelectric element 510 and / or the cooling cycle device 610 can be controlled based on the temperature sensing result of the temperature sensor 710.

[0107] In an embodiment, the thermoelectric element 510 and / or the cooling cycle device 610 can be operated when the temperature of the cooling fins 620 is higher than the set value of the temperature sensor 710. In an embodiment, the thermoelectric element 510 and the cooling cycle device 610 can be operated simultaneously, but it is not necessarily limited thereto. The thermoelectric element 510 and the cooling cycle device 610 can also be operated sequentially according to the temperature sensing result of the temperature sensor 710, or only a part of the thermoelectric element 510 and the cooling cycle device 610 can be operated.

[0108] In an embodiment, the position of the temperature sensor 710 is not necessarily limited to Figure 4 and Figure 5 the cases exemplified therein, and can be variably changed according to the embodiment.

[0109] According to the above embodiment, the thermoelectric element 510, the cooling cycle device 610, and / or the cooling fins 620 can be provided outside the frame 110, thereby effectively cooling the heat generated from the piezoelectric element 410.

[0110] Thereby, the thermoelectric element 510, the cooling cycle device 610, and / or the cooling fins 620 can be freely arranged without being limited by the internal installation space of the frame 110, and the moisture generated inside the frame 110 due to the temperature difference can be minimized.

[0111] That is, it is possible to prevent the electrical device including the piezoelectric element 410 from being exposed to moisture and prevent internal corrosion of the jet dispenser. At the same time, it is possible to minimize the discharge deviation of the jet dispenser by minimizing the temperature change of the piezoelectric element 410.

[0112]

Table 1

[0113] 300 Hz 600 Hz 900 Hz Comparative Example 6.8℃ 8.0℃ 7.3℃ Example 4.9℃ 4.6℃ 4.7℃

[0114]

Table 2

[0115] 300 Hz 600 Hz 900 Hz Comparative Example 6.17% 7.45% 4.12% Example 2.86% 3.02% 2.47%

[0116] Specifically, Table 1 evaluates and records the temperature change of the piezoelectric element according to the frequency of the piezoelectric element in the comparative example of the injection dispenser not equipped with a cooling device and the example of the injection dispenser equipped with a cooling device.

[0117] Table 2 evaluates and records the discharge deviation of the injection dispenser according to the frequency of the piezoelectric element in the comparative example of the injection dispenser not equipped with a cooling device and the example of the injection dispenser equipped with a cooling device.

[0118] Referring to the results of Table 1 and Table 2, it can be confirmed that in the case of the injection dispenser according to the embodiment, compared with the injection dispenser of the comparative example, the temperature change of the piezoelectric element and the discharge deviation of the injection dispenser are improved.

[0119] Those with ordinary knowledge in the technical field associated with this embodiment can understand that it can be implemented in a modified form without departing from the essential characteristics described above. Therefore, the disclosed method should be considered from an illustrative rather than a limiting perspective. The scope of the present utility model is shown in the scope of the claims rather than in the above description, and all differences within the equivalent scope should be construed as being included in the present utility model.

Claims

1. A jet dispenser, characterized in that: include: a frame including a supply port and a discharge port; a supply part, combined with the supply port and supplying a solution; a discharge part, coupled to the discharge port, filled with the solution supplied from the supply part and discharged; a piezoelectric element housed in the frame and configured to discharge the solution filled in the discharge portion; a cooling circulation device coupled to the exterior of the frame; and A cooling fin protrudes from the cooling cycle device.

2. The jet dispenser according to claim 1, characterized in that The cooling circulation device includes a cooling flow path.

3. The jet dispenser according to claim 1, characterized in that The cooling cycle device includes a coolant temperature regulator.

4. The jet dispenser according to claim 1, characterized in that The cooling circulation device includes a mass flow controller.

5. The jet dispenser according to claim 1, characterized in that Also includes: A temperature sensor is provided on the outside of the frame.

6. The jet dispenser according to claim 5, characterized in that Also includes: The control unit receives the temperature sensing result information of the temperature sensor to control the power supply of the cooling cycle device based on the temperature sensing result information of the temperature sensor.

7. The jet dispenser according to claim 1, characterized in that Also includes: Thermoelectric elements are arranged between the frame and the cooling cycle device.

8. The jet dispenser according to claim 7, characterized in that A first surface of the thermoelectric element is in contact with the frame.

9. The jet dispenser according to claim 7, characterized in that The second surface of the thermoelectric element is in contact with the cooling cycle device.

10. The jet dispenser according to claim 1, characterized in that Also includes: A push rod component is arranged inside the frame and is configured to be able to move up and down inside the frame; as well as The conversion component is arranged inside the frame, with one side being arranged on the upper part of the piezoelectric element and the other side being arranged on the upper part of the push rod component.

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