An adjustable tension ram marker for rams

Abstract

This invention discloses an adjustable tightness ram mating marker, belonging to the technical field of mating markers. It includes a marker box body and connecting straps. Each of the four corners of the marker box body is connected to a connecting strap, which includes a first connecting strap and a second connecting strap. The length of the first and second connecting straps is adjusted by a tightness adjustment component, which is located on the first and second connecting straps. This invention uses four independently matched post-hole tightness adjustment components for four straps, allowing for precise adjustment to fit lambs to adult rams. The force is distributed across the four corners, preventing single-point compression that could cause chest and abdominal swelling and stress. Combined with a back-mounted male / female buckle for quick locking, adjustment eliminates the need for manual knotting, ensuring uniform tightness. This avoids excessively tight straps affecting feeding activities and completely solves the problem of the device becoming loose and the marker failing during mounting, significantly reducing the cost of adapting breeding equipment and the workload of manual inspection.

Description

Technical Field

[0001] This invention relates to breeding marker technology, specifically to an adjustable tightness ram breeding marker. Background Technology

[0002] As the large-scale sheep farming industry develops towards precision and intensification, estrus detection and mating records have become crucial aspects of reproductive management. Ram mating markers, as important tools for assisting estrus detection and mating traceability, directly affect the estrus detection rate of ewes, the efficiency of mating plan execution, and the accuracy of pedigree records.

[0003] Currently, the following solutions are disclosed in the existing technology:

[0004] 1) Announcement No. CN205305676U discloses a ram mating marking bag. The ram mating marking bag includes a marking bag body and a one-way valve. The one-way valve is shallow bowl-shaped, with multiple dye inlet holes at the bottom of the bowl, penetrating the bottom. A blocking plate is provided on the inner side of the bottom, the size and shape of which match the size and shape of the bowl bottom. The rim of the shallow bowl-shaped one-way valve is heat-bonded to the marking bag body. Multiple dye outlet holes are provided at the location of the marking bag body directly opposite the one-way valve. Long straps are symmetrically provided along the edge of the marking bag body. Compared with the prior art, the advantages of this utility model are: during the mating season, after the ram is fitted with the marking bag of this utility model, each mounting by the ram will leave a mark on the ewe's body, facilitating timely observation and recording by researchers, improving the breeding management level of the flock. Moreover, the dye in the marking bag is less likely to spill during the ram's normal activities, saving dye.

[0005] 2) Publication No. CN219182417U discloses a sheep mating recorder, belonging to the technical field of mating recorders. It addresses the problem that existing recording devices can only mark whether a ewe has been mated, but cannot determine the specific mating date. The recorder body has a fixing strap on its outer wall, and at least two date adjustment units inside. A knob sleeve is fitted onto a knob fixing shaft and can rotate circumferentially along the outer wall of the knob fixing shaft. An adjustment knob is fitted outside the knob sleeve, and both ends of the knob fixing shaft are connected to the inner wall of the recorder body. A date indicator wheel and an adjustment gear are both located outside the indicator wheel sleeve, which is fitted onto the indicator wheel fixing shaft and can rotate circumferentially along the outer wall of the indicator wheel fixing shaft. The adjustment knob meshes with the adjustment gear. An ink cartridge is located on the bottom inner wall of the recorder body. By recording the specific mating time, the ewe's breeding time can be estimated, allowing for targeted lambing and rearing to improve lamb reproduction rates.

[0006] While the two existing technologies mentioned above have made beneficial explorations in preventing dye leakage and recording breeding dates, they still have the following shortcomings:

[0007] The tightness of the straps cannot be flexibly adjusted, resulting in poor versatility. CN205305676U uses a long strap binding method, requiring manual knotting for fixation. The tightness depends entirely on the operator's experience, making standardized adjustment difficult. While CN219182417U has a fixing strap, its structure is a conventional strap design, also lacking a precise tightness adjustment mechanism. When the straps are too tight, they can easily injure the ram's body, affecting the ram's normal activity and feeding; when the straps are too loose, the device is prone to slipping off during mounting, causing the marker to become ineffective. Significant differences in chest circumference exist between different breeds and ages of rams, making it difficult to universally adapt to fixed or simple binding designs.

[0008] The marking pouches are unstable, and the marks are prone to shifting. The marking pouch in CN205305676U is tied to the ram's chest with a long strap, but there is no effective restraint or fixation structure between the pouch and the strap. During vigorous activity or repeated mounting by the ram, the pouch is prone to twisting and shifting, resulting in inaccurate marking or blurred marks. The recorder in CN219182417U also lacks anti-shift design; its date marking function relies on an ink cartridge, but the contact stability between the cartridge and the ewe's body surface is not effectively guaranteed.

[0009] Therefore, this invention proposes an adjustable tightness ram mating marker. Summary of the Invention

[0010] The purpose of this invention is to provide an adjustable tightness ram mating marker to solve the problems of poor versatility, unstable fixation, and easy damage to livestock in the prior art.

[0011] To achieve the above objectives, the present invention provides the following technical solution: an adjustable tightness ram mating marker, comprising a marker box body and connecting straps, wherein each of the four corners of the marker box body is connected to a connecting strap, the connecting strap comprising a first connecting strap and a second connecting strap, the length of the first connecting strap and the second connecting strap being adjusted by a tightness adjustment component, the tightness adjustment component being disposed on the first connecting strap and the second connecting strap, the end face of the marker box body being provided with a accommodating cavity for storing a dyeing medium, a marker pad being disposed on the side of the marker box body facing the ewe's body surface, the marker pad being installed in the accommodating cavity, and an elastic compression component acting on the marker pad being disposed inside the marker box body.

[0012] Furthermore, the tension adjustment assembly includes a plurality of limiting posts arranged at intervals along the length direction of the first connecting belt and a plurality of limiting holes opened on the second connecting belt, wherein the plurality of limiting posts are inserted into the plurality of limiting holes to achieve belt positioning.

[0013] Furthermore, the tension adjustment assembly also includes a first collar and a second collar. The first collar is fixedly disposed at the end of the first connecting belt, and the second collar is fixedly disposed at the end of the second connecting belt near the first connecting belt. The first collar can slide on the second connecting belt, and the second collar can slide on the first connecting belt. The end of the second collar has an opening groove for placing the limiting post.

[0014] Furthermore, anti-detachment blocks are provided at both ends of the limiting column, and the outer diameter of the anti-detachment blocks is larger than the inner diameter of the limiting hole and the first collar to prevent the limiting column from falling off.

[0015] Furthermore, the second connecting strip on the same side of the marking box body is provided with a male buckle, and the second connecting strip on the other side is provided with a female buckle that cooperates with the male buckle.

[0016] Furthermore, the elastic clamping assembly includes a base, a clamping spring, and a pressure plate. The base is fixedly installed on the inner side wall of the marking box body. The two ends of the clamping spring are respectively connected to the base and the pressure plate. The pressure plate is fitted against the back of the marking pad.

[0017] Furthermore, the side of the pressure plate facing the marking pad is an arc-shaped surface, which perfectly matches the contour of the back of the marking pad, so as to achieve uniform stress on the marking pad as well as uniform seepage of the dyeing medium.

[0018] Furthermore, a soft rubber resistance pad is provided on the side of the marking box body that contacts the ram.

[0019] Furthermore, the marking pad is a high-density sponge ink-absorbing pad.

[0020] Furthermore, each of the four corners of the marking box body is provided with a positioning slot, and the end of the first connecting strip is snapped into the positioning slot.

[0021] Compared with the prior art, the adjustable tightness ram mating marker provided by the present invention has the following beneficial effects:

[0022] 1. This invention uses four independently matched post-hole type tension adjustment components for binding straps, which can be precisely adjusted to fit lambs to adult rams. The force is distributed in a cross shape at the four corners, which will not cause stress such as redness and swelling of the chest and abdomen due to single-point compression of the sheep's body. With the back male and female buckles for quick locking, the adjustment does not require manual knotting. The tension is uniform and standardized, which not only avoids the binding straps being too tight and affecting feeding activities, but also completely solves the problem of the device becoming loose and the marking failing when mounting. This greatly reduces the adaptation cost of breeding equipment and the workload of manual inspection.

[0023] 2. This invention uses a rigid box with four corner slots for four-point traction constraint, forming a multi-point constraint tension distribution; a rubber resistance pad is added to the inside of the box to increase skin friction, doubly offsetting the lateral and longitudinal shear forces generated by mounting; the marking pad is always aligned with the fixed area of ​​the ewe, and the imprint position is uniform and clear, allowing the breeder to quickly distinguish between different rams mating with ewes, significantly improving the accuracy of estrus detection and mating records.

[0024] 3. This invention, by setting up an elastic clamping component, ensures that the clamping spring is always in a compressed state and drives the pressure plate to apply a continuous and stable pre-pressure towards the marking pad, keeping the dye inside the marking pad in a saturated and ready state. When the crawling ends and the extrusion pressure disappears, the spring pushes the pressure plate to reset, and the sponge pores of the marking pad rely on their own elastic rebound to form a slight negative pressure, drawing excess dye from the end face back into the internal pores, effectively preventing the dye from continuously seeping out and leaking when not in use. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0026] Figure 1 This is a schematic diagram of the overall structure provided for an embodiment of the present invention;

[0027] Figure 2 A side view provided for an embodiment of the present invention;

[0028] Figure 3 A schematic diagram of the main body of the marking box is provided for embodiments of the present invention;

[0029] Figure 4 A schematic diagram of the tension adjustment assembly is provided for an embodiment of the present invention;

[0030] Figure 5 A cross-sectional view of the main body of the marking box is provided for an embodiment of the present invention;

[0031] Figure 6 A diagram showing the ram wearing the garments is provided for an embodiment of the present invention.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Marker box body; 101. Positioning slot;

[0034] 2. Connecting strap; 201. First connecting strap; 202. Second connecting strap;

[0035] 3. Tension adjustment assembly; 301. Limiting post; 302. First collar; 303. Limiting hole; 304. Second collar; 305. Opening groove;

[0036] 4. Marking pad; 5. Resistance pad;

[0037] 6. Elastic clamping assembly; 601. Base; 602. Compression spring; 603. Pressure plate. Detailed Implementation

[0038] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0039] As attached Figure 1 To be continued Figure 6 As shown:

[0040] Example 1:

[0041] This invention provides an adjustable tightness ram mating marker, comprising a marker box body 1 and connecting straps 2. The marker box body 1 has a flat box structure made of hard plastic, with a low and smooth shape. All four corners are rounded to reduce friction and collisions between the ram and other sheep or pen facilities during sheep activities. Each of the four corners of the marker box body 1 has a positioning slot 101. The end of the first connecting strap 201 is snapped into the positioning slot 101. The positioning slot 101 is a groove structure extending horizontally along the side wall of the marker box body 1, used for snapping the end of the connecting strap 2. That is, each of the four corners of the marker box body 1 is connected to the connecting strap 2, so that the marker box body 1 is pulled and fixed from four directions by the four straps, effectively preventing the marker box body 1 from twisting or shifting during the ram's activities. Specifically, when a ram engages in vigorous activities such as running, jumping, or mounting, its torso undergoes significant twisting and pitching movements. If the marking box is secured by only two straps from the left and right sides, it is highly susceptible to rotation around the strap axis due to inertia, causing the marking pad 4 to deviate from its central position on the chest. This application employs a four-corner connection structure, with four straps extending from the four corners of the marking box body 1 towards the front chest and back sides, respectively, and converging for fixation. This forms a multi-point constrained H-shaped tension distribution. Any deflection torque in any direction is balanced by the counter-tension generated by at least two intersecting straps, thus ensuring that the marking box body 1 maintains a stable spatial posture under dynamic conditions.

[0042] The marking box body 1 has a cavity for storing dyeing medium on the end face facing the ewe's body. This cavity is a concave circular groove structure. A marking pad 4 is provided on the side of the marking box body 1 facing the ewe's body. The marking pad 4 is embedded in the cavity, and its end face protrudes from the end face of the marking box body 1 to ensure that the marking pad 4 can effectively contact the ewe's body and leave a clear mark during mounting. Specifically, the design of the marking pad 4 protruding from the end face of the box body ensures that when the ram mounts, the marking pad 4 contacts the ewe's body and is compressed and deformed before the box body, thereby releasing the dyeing medium onto the ewe's body. If the marking pad 4 does not protrude or is flush with the end face of the box body, the edge of the box body may contact the ewe's body before the marking pad 4 during compression, resulting in insufficient compression force for the marking pad 4, causing the mark to become shallow or even disappear. The protrusion design needs to balance contact reliability and wearing safety; the preferred protrusion height is 2mm-5mm.

[0043] In one embodiment of the invention, a soft rubber resistance pad 5 is provided on the side of the marking box body 1 that contacts the ram. Specifically, the resistance pad 5 is fitted against the inner side of the marking box body 1 facing the ram's body surface. When the marker is worn on the ram's chest, the resistance pad 5 directly presses against the ram's sternum and pectoral muscles. The soft rubber material has a high coefficient of friction, and the static friction generated between it and the ram's skin can effectively resist the tendency of the marker to slide down under gravity. At the same time, the elastic deformation characteristics of the soft rubber buffer and disperse the rigid pressure between the marking box body 1 and the ram's chest, avoiding local pain or skin damage caused by the hard plastic box directly pressing on the ram's body. The preferred thickness of the resistance pad 5 is 3mm-8mm, and the material can be natural rubber or silicone rubber, ensuring sufficient friction while also taking into account wearing comfort.

[0044] In one embodiment of the present invention, the marking pad 4 is a high-density sponge ink-absorbing pad, or a fiber felt body can be used. The marking pad 4 has excellent dye adsorption and slow release performance.

[0045] The marking box body 1 is connected to four corners with connecting straps 2. The connecting straps 2 include a first connecting strap 201 and a second connecting strap 202. Both the first connecting strap 201 and the second connecting strap 202 are made of flexible and wear-resistant fabric material, which has excellent tensile strength and sun resistance, and can adapt to the complex use environment of the farm. The length of the first connecting strap 201 and the second connecting strap 202 is adjusted by a tension adjustment component 3. The tension adjustment component 3 is set on the first connecting strap 201 and the second connecting strap 202. Specifically, each strap is independently equipped with a tension adjustment component, and the length of the four straps can be adjusted separately. It can be adjusted separately for the differences in chest circumference of the ram's front and rear abdomen, and will not have the wearing defects of being tight in the front and loose in the back or loose in the front and tight in the back. It is suitable for different breeds and body types such as lambs, adult rams, large meat rams, and fine wool sheep.

[0046] The marking box body 1 has a cavity for storing the dyeing medium on its end face. A marking pad 4 is located on the side of the marking box body 1 facing the ewe's body surface and is installed inside the cavity. An elastic pressing component 6 is provided inside the marking box body 1 to apply continuous and stable pressure to the marking pad 4, allowing the dyeing medium to seep out evenly. Specifically, the elastic pressing component 6 is fixedly supported by the rigid inner wall of the box and is not affected by the external mounting pressure of the ram; it continuously applies an outward preload to the marking pad 4 to ensure that the marking pad 4 always remains in an outward convex state. Even if the sponge pad is compressed and thinned over a long period of time, the spring can still compensate for the travel and maintain effective contact between the marking pad 4 and the ewe.

[0047] In one embodiment of the present invention, the end of the second connecting strap 202 on the same side of the marking box body 1 is provided with a male buckle, and the end of the second connecting strap 202 on the other side is provided with a female buckle that cooperates with the male buckle. Specifically, the symmetrical male and female buckles form a ring-shaped locking structure. When wearing, the four straps are wrapped around the ram's chest and abdomen and then directly inserted into the buckles to complete the wearing, replacing the traditional knotted ropes; the buckles have a built-in elastic locking tongue, which automatically locks after being inserted, and will not pop open on its own when the ram runs or pulls; disassembly only requires pressing the buckle to unlock, and a single person can complete the wearing of a single ram within 30 seconds, which greatly saves labor during the batch breeding season.

[0048] In one embodiment of the present invention, the tension adjustment component 3 includes a plurality of limiting posts 301 spaced apart along the length of the first connecting strap 201 and a plurality of limiting holes 303 formed on the second connecting strap 202. The plurality of limiting posts 301 pass through the plurality of limiting holes 303 to achieve strap positioning. Specifically, the engagement of the limiting posts 301 and the limiting holes 303 is similar to the fastening principle of a belt buckle. By passing the limiting posts 301 through the limiting holes 303 at different positions, the relative overlap length between the first connecting strap 201 and the second connecting strap 202 can be changed, thereby achieving a level-by-level adjustment of the total circumference of the strap. The spacing between the limiting posts 301 determines the adjustment accuracy. The preferred spacing is 15mm-30mm, which provides enough adjustment levels to accommodate rams of different sizes, while avoiding the strap strength from being reduced due to excessively close spacing causing the spacing between the limiting holes 303 to be too small.

[0049] In one embodiment of the present invention, the tension adjustment assembly 3 further includes a first collar 302 and a second collar 304. The first collar 302 is fixedly disposed at the end of the first connecting belt 201, and the second collar 304 is fixedly disposed at the end of the second connecting belt 202 near the first connecting belt 201. The first collar 302 is slidably threaded onto the second connecting belt 202, and the second collar 304 is slidably threaded onto the first connecting belt 201. An opening groove 305 is provided at the end of the second collar 304 for placing a limiting post 301. Specifically, in the assembled state, the free end of the first connecting belt 201 passes through the second collar 304, and the free end of the second connecting belt 202 passes through the first collar 302, forming a cross-loop structure. The limiting post 301 is disposed on the first connecting belt 201 near the second collar 304, and a limiting hole 303 is formed on the second connecting belt 202. When length adjustment is required, the limiting post 301 is disengaged from the limiting hole 303, the first connecting band 201 is pulled to slide within the second collar 304 to the new limiting hole 303 position, and then the limiting post 301 is inserted into the new limiting hole 303 to complete the fixation. The opening slot 305 allows the limiting post 301 to be inserted into or removed from the limiting hole 303 without completely pulling the band out of the collar; simply align the end of the limiting post 301 with the opening slot 305 and slide it in or out, greatly simplifying the adjustment operation.

[0050] In one embodiment of the present invention, anti-detachment blocks are provided at both ends of the limiting post 301. The outer diameter of the anti-detachment blocks is larger than the inner diameter of the limiting hole 303 and the first collar 302, to prevent the limiting post 301 from falling off. Specifically, the limiting post 301 is subjected to repeated stretching and vibration generated by the movement of rams during long-term use. If there is no limiting structure at both ends, the limiting post 301 may slip out of the limiting hole 303, causing connection failure. The function of the anti-detachment blocks is that when the limiting post 301 passes through the limiting hole 303, the blocks at both ends are located on both sides of the limiting hole 303, and their outer diameter is larger than the inner diameter of the limiting hole 303. Therefore, the limiting post 301 cannot detach from the limiting hole 303 in the axial direction, thereby ensuring the long-term reliability and vibration resistance of the connection structure.

[0051] Working principle: When using the product, first select the appropriate tightness adjustment level according to the ram's chest circumference. Specifically, remove the limiting post 301 from the current limiting hole 303, slide it along the first connecting strap 201 to the target limiting hole 303, and re-insert the limiting post 301 into the limiting hole 303. Lock it in place using the anti-slip stop, completing the initial adjustment of the strap length. Then, wrap the marker around the ram's chest, positioning the marker box body 1 in the center of the ram's chest, with the marker pad 4 facing the ewe's body. Interlock the male and female buckles located on the ram's back to complete the wearing process. After wearing, the connecting strap 2 fits tightly to the ram's body under the limiting action of the tightness adjustment component 3, ensuring it is neither too tight and injure the ram, nor too loose and slips off. When a ram mounts a ewe in estrus, the marking box 1, located on the ram's chest, comes into contact with and is pressed against the ewe's rump or back as the ram moves. Under this pressure, the marking pad 4 releases the absorbed dye onto the ewe's skin, forming a clear and identifiable mark. Farmers can quickly determine whether a ewe has been bred based on this mark, thus achieving precise breeding management.

[0052] Example 2:

[0053] This embodiment is basically the same as the previous embodiment, except that the specific structure of the elastic clamping component 6 has been further optimized in this embodiment.

[0054] The elastic compression assembly 6 includes a base 601, a compression spring 602, and a pressure plate 603. The base 601 is fixedly installed on the inner wall of the marking box body 1. The two ends of the compression spring 602 are connected to the base 601 and the pressure plate 603 respectively. The pressure plate 603 is pressed against the back of the marking pad 4. Specifically, the base 601 serves as the supporting foundation for the spring and is fixed to the inner wall of the box cover. The compression spring 602 is a compression coil spring, which is in a pre-compressed state during installation and has an elastic tendency to extend outward. Under the push of the spring, the pressure plate 603 is always pressed against the back of the marking pad 4, pressing the marking pad 4 tightly against the bottom wall of the accommodating cavity. In this structure, the marking pad 4 continuously bears the pre-pressure from the pressure plate 603, and the volume of its internal sponge pores is compressed. The dye is in a slightly positive pressure state within the pores. When the end face of the marking pad 4 is subjected to external extrusion pressure, the dye can respond quickly and seep out. When the external pressure disappears, the spring pushes the pressure plate 603 to reset. At the same time, the sponge pores of the marking pad 4 recover their volume by their own elasticity, forming a slight negative pressure inside, which draws the excess dye from the end face back into the internal pores, effectively preventing the dye from continuously leaking out when not in operation.

[0055] The side of the pressure plate 603 facing the marking pad 4 is an arc-shaped surface, which perfectly matches the contour of the back of the marking pad 4, ensuring uniform force distribution and even dyeing medium exudation across the marking pad 4. Specifically, if the pressure plate 603 were a planar structure, its contact surface with the marking pad 4 would be a combination of a planar and curved surface. The contact pressure would be concentrated in the central area of ​​the planar surface, with less pressure at the edges. This would result in excessive dye extrusion in the central area and insufficient dye extrusion at the edges, leading to an uneven pattern with a darker center and lighter edges. However, the arc-shaped surface matching the contour of the back of the marking pad 4 ensures a curved surface fit between the pressure plate 603 and the marking pad 4. The compressive force is evenly distributed along the entire back of the marking pad 4, with uniform pore compression in each area and consistent dye extrusion rate. This results in a uniformly colored and clearly defined mark on the ewe's body, facilitating accurate interpretation by livestock farmers. The radius of curvature of the arc-shaped surface is determined based on the size and shape of the marking pad 4, preferably the natural curvature of the arc surface on the back of the marking pad 4.

[0056] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An adjustable tightness ram mating mark, comprising a mark box body (1) and a connecting strap (2), characterized in that, The four corners of the marking box body (1) are connected with connecting straps (2). The connecting straps (2) include a first connecting strap (201) and a second connecting strap (202). The length of the connecting straps (2) is adjusted by a tension adjustment component (3). The tension adjustment component (3) is located on the first connecting strap (201) and the second connecting strap (202). The end face of the marking box body (1) is provided with a accommodating cavity for storing dyeing medium. The marking pad (4) is provided on the side of the marking box body (1) facing the surface of the ewe. The marking pad (4) is installed in the accommodating cavity. The interior of the marking box body (1) is provided with an elastic pressing component (6) that acts on the marking pad (4).

2. The adjustable tightness ram mating marker according to claim 1, characterized in that, The tension adjustment component (3) includes a plurality of limiting posts (301) arranged at intervals along the length direction of the first connecting belt (201) and a plurality of limiting holes (303) opened on the second connecting belt (202). The plurality of limiting posts (301) are inserted into the plurality of limiting holes (303) to achieve belt positioning.

3. The adjustable tightness ram mating marker according to claim 2, characterized in that, The tension adjustment assembly (3) further includes a first collar (302) and a second collar (304). The first collar (302) is fixedly disposed at the end of the first connecting belt (201), and the second collar (304) is fixedly disposed at the end of the second connecting belt (202) near the end of the first connecting belt (201). The first collar (302) can slide on the second connecting belt (202), and the second collar (304) can slide on the first connecting belt (201). The end of the second collar (304) is provided with an opening groove (305) for the placement of the limiting column (301).

4. The adjustable tightness ram mating marker according to claim 3, characterized in that, The limiting post (301) is provided with anti-detachment blocks at both ends. The outer diameter of the anti-detachment blocks is larger than the inner diameter of the limiting hole (303) and the first collar (302) to prevent the limiting post (301) from falling off.

5. The adjustable tightness ram mating marker according to claim 1, characterized in that, The marking box body (1) has a male buckle at the end of the second connecting strip (202) on the same side, and a female buckle at the end of the second connecting strip (202) on the other side that cooperates with the male buckle.

6. The adjustable tension ram mating marker according to claim 1, characterized in that, The elastic clamping assembly (6) includes a base (601), a clamping spring (602) and a pressure plate (603). The base (601) is fixedly installed on the inner side wall of the marking box body (1). The two ends of the clamping spring (602) are respectively connected to the base (601) and the pressure plate (603). The pressure plate (603) is attached to and abuts against the back of the marking pad (4).

7. An adjustable tightness ram mating marker according to claim 6, characterized in that, The side of the pressure plate (603) facing the marking pad (4) is an arc-shaped surface. The arc-shaped surface is perfectly matched with the back contour of the marking pad (4), so that the marking pad (4) is subjected to uniform force and the dyeing medium is uniformly exuded.

8. The adjustable tightness ram mating marker according to claim 1, characterized in that, The marking box body (1) has a soft rubber resistance pad (5) on the side that contacts the ram.

9. The adjustable tension ram mating marker according to claim 1, characterized in that, The marking pad (4) is a high-density sponge ink-absorbing pad.

10. An adjustable tightness ram mating marker according to claim 1, characterized in that, The marking box body (1) has positioning slots (101) at all four corners, and the end of the first connecting strip (201) is snapped into the positioning slot (101).

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